EODVICS 7 Pack Invisible Ink Spy Pen with UV Light Party Favors for Kids
4.7Editor score
Includes seven colorful pens
Built in cap blacklight
Non-toxic water-based ink
In this guide
Invisible ink UV marker pens offer a unique way to create hidden messages that only appear under black light. These tools are perfect for security marking, creative arts, and fun spy games. Choosing the right one depends on tip size, ink capacity, and surface compatibility for your specific needs.
We have analyzed ten top-rated products available on the market to help you find the best option. Each item was evaluated based on user ratings, feature sets, and versatility across different materials. Our comparison covers everything from fine tip security markers to colorful party favor sets for kids.
Every product in this list includes detailed specifications and real-world usage scenarios to guide your decision. You will see how each pen performs on paper, skin, and other common surfaces. Please note that product availability and pricing may change over time, so check the latest details before purchasing.
Top 3 Picks for Best Invisible Ink UV Marker Pen
SureMark UV Security Marker Fine Tip with Keyring UV Light
4.7Editor score
Includes keyring UV light
Acrylic fine tip bullet nib
Works on plastic and metal
MM-77 UV Security Marker Permanent Invisible Ink 2.3mm Bullet Tip 10ml
4.4Editor score
Valve action prevents drying
Ten milliliter ink capacity
Manufactured in the USA
Top 10 Best Invisible Ink UV Marker Pen in 2026 Compared
This table provides a side-by-side overview of all ten products to help you quickly identify key differences in design and functionality.
ProductsSpecificationsEditor scorePrice
Editor's Choice
SureMark UV Security Marker
Fine tip bullet nib
Includes UV keyring
Plastic body design
Store horizontally recommended
4.7Editor score
Editor's Choice
Invisible Ink Pen with 3 Mini UV Flashlights
Three color ink pens
Three UV keychain lights
Currency detection feature
Ideal for parties
4.5Editor score
Best Premium
Large Invisible Ink Marker Medium Tip 2MM
Two millimeter thick nib
Large capacity ink
Water based formula
Pack of two pens
4.5Editor score
Sakura Pen-Touch UV Paint Markers
Three assorted tips
Opaque coverage ink
Dries clear normally
Non-toxic certified
4.4Editor score
Dual Tip Invisible Ink Marker Pen
Dual 0.7mm and 1.5mm tips
Smooth writing experience
Water based ink
Pack of two pens
4.5Editor score
32 Pack Invisible Ink Pen with UV Black Light
Built in purple lights
Batteries included
Washes off easily
Great for kids
4.4Editor score
EODVICS 7 Pack Invisible Ink Spy Pen
Seven colorful pens
Slide switch design
Non-toxic safe
Batteries included
4.7Editor score
Opticz UV Blacklight Reactive Large Tip
Extra large body
Broad tip design
Double ink amount
Fast drying ink
4.4Editor score
MM-77 UV Security Marker Permanent
Two point three millimeter tip
Ten milliliter capacity
Valve action design
Made in USA
4.4Editor score
edding 8280 securitas uv marker
Round nib one point five to three mm
Waterproof and wear-resistant
Quick drying time
Hidden markings
4.6Editor score
1. SureMark UV Security Marker Fine Tip with Keyring UV Light – Best Security Marking
SureMark UV Security Marker Fine Tip with Keyring UV Light
Fine tip bullet nib
Acrylic body material
Includes keyring UV light
Stores horizontally only
This marker stands out as a top choice for security professionals needing precise invisible marks. With a high user rating, it offers a fine tip that allows for detailed writing on various materials. The inclusion of a keyring UV light makes it incredibly convenient for quick checks on the go.
Pros
- Very fine tip for details
- Includes built-in light
- Versatile surface compatibility
- Durable plastic body
- Great for asset marking
Cons
- Storage must be horizontal
- Light is basic model
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The acrylic fine tip bullet nib ensures smooth application on surfaces like plastic, wood, paper, and metal. Users appreciate that the ink remains invisible until exposed to UV light, providing a discreet layer of security. The plastic body is robust enough for daily professional use without breaking easily.
While the storage instructions require keeping it horizontal, this is a minor trade-off for the precision it offers. The UV light included is functional though not as powerful as standalone units. These limitations are acceptable given the primary focus on accurate marking and verification capabilities.
Ideal for anyone needing to tag assets or verify authenticity without obvious markings, this pen is highly recommended. It balances ease of use with effective security features. For those prioritizing detail and convenience, this model remains a strong leader in the category.
Precision Writing Capability
The fine tip allows for small text or codes that are difficult to replicate by others.
Integrated Verification Tool
The attached UV light ensures you can always verify the mark without carrying extra tools.
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2. Invisible Ink Pen, Spy Pen with 3 PCS Mini UV Keychain Flashlight – Fun Spy Play
Invisible Ink Pen, Spy Pen with 3 PCS Mini UV Keychain Flashlight
Three color ink pens
Three UV lights included
Currency detection feature
Compact keychain design
This set brings a playful element to invisible ink with three distinct ink colors and matching UV lights. The rating reflects satisfaction from users looking for party favors or spy game accessories. The ability to detect currency security strips adds a practical twist to the fun.
Pros
- Multiple ink colors
- Currency detector included
- Fun for kids and adults
- Small and portable lights
- Great for themed events
Cons
- Ink may fade over time
- Lights are very small
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You can write hidden messages on paper, fabric, and skin using the blue, pink, or yellow inks. The compact LED keychain lights are easy to carry and use for revealing messages at parties or events. This versatility makes it suitable for birthdays, Halloween, and various themed gatherings.
The small size of the UV lights means they might be less bright than larger flashlights, but they are sufficient for close-up reading. Ink longevity varies by surface, so testing before big events is wise. These factors are minor given the low cost and high entertainment value.
For parents planning treasure hunts or teachers organizing classroom activities, this kit provides excellent value. It encourages creativity and social interaction through secret messaging. If you want a complete set for groups without spending much, this is an ideal choice.
Colorful Messaging Options
Three different ink colors allow users to code messages or create visual variety in their secret notes.
Practical Currency Check
The UV lights double as bill validators, adding an educational aspect to the toy set.
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3. Large Invisible Ink Marker,Medium Tip 2MM – Large Capacity Option
Large Invisible Ink Marker,Medium Tip 2MM Water Based Invisible Securitas Uv Pen
Two millimeter nib
Large ink capacity
Pack of two pens
Water based formula
This marker offers a larger ink capacity ideal for users who need to write extensively. The two millimeter thick nib delivers consistent lines suitable for various applications from industrial coding to event tickets. Users report that the ink is long-lasting and highly durable under UV light.
Pros
- High ink volume
- Durable for extended use
- Works on many surfaces
- Cost-effective two pack
- Smooth writing action
Cons
- May erase on smooth surfaces
- Medium tip is less precise
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It functions well on paper, leather, wood, plastic, cloth, ceramics, glass, and metal. The pack includes two pens, which is practical for teams or shared use. The water-based formula ensures it is safe and easy to handle during long sessions of marking inventory or products.
On overly smooth surfaces, the ink might be easier to erase, which could be a drawback for permanent security needs. The medium tip is not as fine as other options, so small text might be harder to read. However, for most general marking tasks, these issues are manageable.
For industrial or museum settings where inventory control and security printing are priorities, this marker is a solid investment. It provides a reliable solution for labeling items without visible marks. If you need volume and versatility, this pack is worth considering.
High Volume Output
The large ink reservoir reduces the need for frequent refills or replacements during heavy usage periods.
Versatile Surface Adhesion
Works on a wide range of materials making it adaptable for different industries and environments.
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4. Sakura Pen-Touch UV Paint Markers – Premium Paint Quality
Sakura Pen-Touch UV Paint Markers, Black, Assorted Tips
Three assorted tips
Opaque coverage ink
Dries clear normally
Low odor formula
Sakura is a trusted brand known for artist quality tools, and these UV markers follow that standard. The ink provides opaque coverage that looks like paint but is as easy to use as a marker. It dries clear in normal light and reveals bright colors under UV light for a surprise effect.
Pros
- High quality paint ink
- Three tip sizes included
- Works on glass and metal
- Non-toxic certified
- Long lasting permanent mark
Cons
- Requires drying time
- Not traditional invisible ink
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You can use it on paper, glass, wood, porcelain, plastic, and metal with permanent adherence. The set includes extra-fine, fine, and medium tips for different design needs. The low odor and non-toxic certification make it safe for various creative projects and classroom settings.
Unlike standard invisible markers, this is a paint marker so it might take a moment to dry fully on some surfaces. It is less about invisible ink and more about UV reactive paint, which is a distinction to keep in mind. Despite this, the quality and versatility are high.
Artists and crafters who want durable UV reactive designs on hard surfaces will find these excellent. They are also great for marking parts or gifts where you want the message to disappear until illuminated. For high quality UV art, this is a strong contender.
Professional Paint Quality
The opaque ink ensures vibrant results that stand out clearly when exposed to black light sources.
Safe for All Ages
Non-toxic approval makes it suitable for supervised use by children in art and craft projects.
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5. Dual Tip Invisible Ink Marker Pen – Versatile Tip Options
Dual Tip Invisible Ink Marker Pen, Fine Tip 0.7 mm & 1.5 mm
Two tip sizes
Smooth writing experience
Pack of two pens
Water based ink
This marker features a unique dual-tipped design offering both 0.7mm and 1.5mm tips in one tool. Users appreciate the ability to switch between precise lines and broader strokes without changing pens. The smooth writing experience ensures no ink breakage during use on common surfaces.
Pros
- Two tips in one pen
- Smooth without ink breakage
- Works on most surfaces
- Cost-effective two pack
- Easy to use design
Cons
- Tips might clog over time
- Similar to other markers
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You can write on paper, leather, wood, plastic, cloth, ceramics, glass, and metal with ease. The water-based formula keeps it safe and manageable for various tasks. The pack of two pens makes it practical for multiple users or backup storage for security tasks.
While the dual tips are convenient, there is a slight risk of clogging if the pen is not capped tightly. The design is functional and reliable, though it shares many traits with other invisible markers in the market. These are minor issues for such a versatile tool.
For those who want flexibility in line width for codes or messages, this marker is a practical choice. It simplifies your toolkit by combining two tip sizes into one compact unit. If you need adaptability and reliability, this option serves well.
Flexible Line Widths
Switch between fine and medium tips easily to adapt your writing style to different needs.
Consistent Ink Flow
The design ensures smooth application without interruptions, making it ideal for lengthy marking tasks.
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6. 32 Pack Invisible Ink Pen with UV Black Light – Bulk Party Option
32 Pack 2 Style Invisible Ink Pen with UV Black Light Secret Spy Pens
Built in purple lights
Batteries included
Washes off easily
Safe for kids over three
This bulk pack offers a massive number of pens perfect for large events or classroom activities. Each pen has a built-in purple light so you can reveal secret messages immediately. Batteries are included and installed, making it ready to use right out of the box.
Pros
- Large pack quantity
- Batteries pre-installed
- Easy to wash off
- Great for large groups
- Fun for classroom use
Cons
- Ink may not be permanent
- Lights are basic quality
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The ink is safe and tasteless, washing easily from shirts, paper, and skin. This makes it ideal for activities where cleanup is a concern, such as parties or school projects. It is suitable for children above three years of age with supervision.
The light quality is basic and relies on button cell batteries that are replaceable but might wear out over time. The ink is not permanent, which is a benefit for temporary fun but not for security marking. These features align well with its target use case of temporary play.
Teachers and event organizers looking for a complete activity kit will find this pack highly useful. It supports engaging spy activities and treasure hunts without extra prep. If you need quantity and ease of use for kids, this is a great pick.
Bulk Ready-to-Use
With batteries installed, the pens are ready for immediate use at parties or events without setup.
Kid-Friendly Safety
Non-toxic ink ensures safety for children during supervised play and creative activities.
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7. EODVICS 7 Pack Invisible Ink Spy Pen – Best Value Pack
EODVICS 7 Pack Invisible Ink Spy Pen with UV Light Party Favors for Kids
Slide switch UV light
Non-toxic safe
Seven pens included
Batteries included
This set offers excellent value with seven pens and upgraded slide switches that do not require constant pressure. The UV light in the cap reveals clear text for an immersive spy experience. With a high rating, it is popular for parties and classroom prizes.
Pros
- Upgraded slide switch
- Safe water-based ink
- Great party favor
- Seven color pens
- Reliable customer support
Cons
- Plastic feels basic
- Light is not adjustable
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The ink is non-toxic and safe for children ages three and up. It writes smoothly on paper, skin, and T-shirts without issues. The slide switch design is a notable upgrade over press-type pens, allowing for steady constant light without holding a button.
The build quality is functional rather than premium, with basic plastic casing. The light output is sufficient for reading but not adjustable. These trade-offs are acceptable given the affordable price point and the high functionality for kids and events.
For parents looking for party favors or gift bag stuffers, this set is perfect. It encourages imaginative play and is safe for young children. With strong customer support and high ratings, it is a dependable choice for fun.
Convenient Slide Switch
Push forward to keep the light on constantly, making it easier to read secret messages.
Safe for Kids
Eco-friendly water-based ink ensures safety during play and creative writing activities.
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8. Opticz UV Blacklight Reactive Large Tip – Large Tip Highlight Option
Opticz UV Blacklight Reactive Large Tip Invisible Ink Marker, Blue
Extra large body
Broad tip design
Double ink amount
Fast drying ink
This marker is designed for visibility and ease of use with an extra large body and broad tip. It contains twice the ink of standard markers, making it great for long sessions. The blue glow under UV light is bright and distinct for security or creative use.
Pros
- Large ink reservoir
- Bright blue glow
- Safe for skin
- Fast drying formula
- Ideal for body art
Cons
- Not permanent on all surfaces
- Large size might be bulky
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It is safe for use on skin, allowing for invisible body art designs that glow in blacklight. The fast drying ink reduces smudging and makes it suitable for event tickets and inventory control. The body size provides a comfortable grip for extended writing.
The broad tip may be too wide for small, precise codes. It is semi-permanent and might not last as long as industrial markers on rough surfaces. These are minor limitations when considering its primary use for events and body art.
If you need a marker for events, body art, or large inventory labels, this is a strong choice. It balances capacity and ease of use well. For temporary marking needs with high visibility, this model works effectively.
High Volume Ink
The large reservoir allows for more marking time without needing to replace the marker frequently.
Body Safe Formula
Safe for skin allows for creative designs at parties and events without irritation.
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9. MM-77 UV Security Marker, Permanent Invisible Ink – Professional Grade
MM-77 UV Security Marker, Permanent Invisible Ink, 2.3mm Bullet Tip, 10ml
Valve action design
Large ten ml capacity
Made in USA
Permanent on surfaces
This marker is built for professional use with a valve action design that prevents drying even when caps are off. The ink bonds securely to surfaces making it ideal for quality control and permanent identification. The precision 2.3mm tip delivers consistent lines for professional applications.
Pros
- Valve prevents drying
- Permanent bonding ink
- Precision 2.3mm tip
- High volume reservoir
- Manufactured in USA
Cons
- Higher price point
- Industrial focus may be excessive
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It features a high volume 10ml reservoir that supports extended use without downtime. Manufactured in the USA, it meets high standards for reliability and performance. This is a premium option for those who need a durable solution for industrial or security tasks.
The higher price reflects its industrial quality and durability. For casual users, the features might be more than needed. However, the reliability and permanent marking capability make it worth the investment for critical tasks.
For businesses needing to secure assets or manage inventory with permanent codes, this marker is excellent. It reduces downtime and ensures visibility when needed. If you prioritize durability and precision, this is the top industrial choice.
Valve Action Tech
Keeps the marker ready to use by preventing the ink from drying out during storage.
Permanent Bond
The ink creates a lasting mark that resists removal on most industrial and assembly surfaces.
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10. edding 8280 securitas uv marker – Trusted Brand Reliability
edding 8280 securitas uv marker – colourless – 1 pen – round nib
Round nib 1.5-3mm
Waterproof and wear-resistant
Quick drying time
Hidden markings
edding is a well-respected brand in marking tools, and this marker continues that reputation. With a high user rating, it is known for reliability and performance in various environments. The waterproof and wear-resistant ink ensures marks last over time under UV light.
Pros
- Trusted brand history
- High user rating
- Waterproof formula
- Quick drying ink
- Durable on surfaces
Cons
- Sold individually
- Basic appearance design
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It is ideal for museums and security marking on almost any material. The round nib allows for flexible line widths between 1.5 and 3 mm. This makes it suitable for labeling lab equipment, inventory, or hidden markings on wood and plastic.
It is sold individually which might be less convenient than bulk packs for large teams. The design is functional but basic compared to more colorful options. These factors are minor given the strong performance and trusted brand backing.
For professionals needing a dependable invisible marker for varied materials, this is a smart choice. It ensures your markings remain secure and readable. If you value brand trust and durability, this product delivers consistently.
Waterproof Durability
The ink is designed to resist water and wear, ensuring marks remain intact over time.
Quick Drying Application
Fast drying time prevents smudging and allows for immediate handling after marking.
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Buying Guide – How to Choose the Best Invisible Ink UV Marker Pen
Selecting the right invisible ink UV marker pen depends on your specific needs for security, creativity, or play. This guide outlines key factors to consider before making a purchase.
Tip Size and Precision
Tip size determines the fineness of your invisible marks. Fine tips like 0.7mm are best for small codes or security tags, while broader tips are better for general labeling or art. Consider how detailed your messages need to be before choosing.
For precision work, look for tips under one millimeter. For bulk or general marking, a larger tip speeds up the process and uses more ink.
Ink Capacity and Lifespan
Ink capacity varies significantly between products. Some pens hold more ink and are designed for high-volume use like industrial coding or events. Others are smaller and suitable for occasional use. Check reservoir size if you plan to write a lot.
If you need long-lasting pens, choose models with larger reservoirs. For light use, standard sizes are sufficient and cost-effective.
Surface Compatibility
Not all markers work equally well on every surface. Some are optimized for paper and skin, while others bond well to metal, glass, or plastic. Verify the product claims for the surfaces you intend to use to ensure the ink adheres properly.
For mixed surface use, pick a versatile marker. For specific surfaces like glass or metal, look for specialized formulations.
UV Light Integration
Some pens include built-in UV lights, while others require a separate light source. Integrated lights are convenient for on-the-go use but may be less bright. Separate lights offer more power but require carrying extra gear. Decide based on portability needs.
For convenience, choose a pen with a built-in light. For better visibility, use a standalone blacklight flashlight.
Safety and Toxicity
If children are using the pens, safety is critical. Look for non-toxic, water-based inks that are safe for skin. Ensure the product meets safety standards for children. Avoid harsh chemical formulations when kids are involved in the activity.
Choose non-toxic and water-based options for kids. For adult industrial use, chemical durability may be prioritized over skin safety.
Permanence and Durability
Some invisible marks are semi-permanent and wash off easily, while others are permanent and resist removal. Permanent markers are better for security and asset tracking. Washable ones are better for parties and temporary play. Decide based on your goal.
For long-term security, opt for permanent bonding ink. For fun events, washable ink is safer and easier to clean.
Pack Quantity and Value
Markers come in packs from single units to dozens. Bulk packs are cost-effective for events and teams but may have shorter lifespans. Single or small packs suit individual use. Consider how many pens you need upfront to avoid running out.
For groups or events, buy in bulk. For personal use, smaller packs are better value and storage.
How to Use and Care for Your Invisible Ink UV Marker Pen
For visible reading, use a dedicated UV or blacklight flashlight close to the marked surface. Ensure the light wavelength matches the ink's requirements for best visibility. Clean the tip with a damp cloth if it gets blocked or dirty over time.
Frequently Asked Questions
How do invisible ink UV markers work?
These pens use special ink that is clear or colorless in normal light. When exposed to ultraviolet light such as from a blacklight, the ink absorbs the UV rays and fluoresces becoming visible. This allows secret messages to stay hidden until illuminated.
Can invisible ink be washed off skin or clothes?
Many consumer invisible ink pens use water-based ink that washes off easily with soap and water. However, permanent security markers may not wash off and require stronger cleaning agents. Check the product label to confirm washability before applying to skin or fabric.
Do I need a special blacklight for these pens?
Most pens work with standard UV blacklights ranging from 365nm to 395nm. Some include their own small UV light for convenience. A dedicated blacklight provides better visibility but a built-in one works for basic needs. Ensure the light is bright enough to reveal the ink clearly.
Are these pens safe for children to use?
Many brands make non-toxic water-based ink pens specifically for kids. Look for safety certifications and age recommendations on the packaging. Always supervise children to prevent ingestion or eye contact. Choose pens labeled safe for children for party or school activities.
How long does the ink last after writing?
Ink longevity depends on the formula and surface. Some marks last for days or weeks on paper and metal if protected. Others may fade over time or if exposed to heat or chemicals. Permanent industrial inks are designed to last longer than temporary party inks.
Can I use these on dark surfaces?
Invisible ink works best on light-colored surfaces because the UV reaction is clearer against contrast. On dark surfaces, the invisible mark may be harder to see. Test on the material before mass use to ensure visibility and adhesion are sufficient.
Final Thoughts on Choosing the Best Invisible Ink UV Marker Pen
Always check the latest product details before buying as availability can change. Look for pens that match your surface and volume requirements for best results. With the right choice, you can create secure or fun hidden messages with confidence.