--- product_id: 33246003 title: "Opticz UV Blacklight Reactive Large Tip Invisible Ink Marker, Red" brand: "opticz" price: "₱93" currency: PHP in_stock: false reviews_count: 12 url: https://www.desertcart.ph/products/33246003-opticz-uv-blacklight-reactive-large-tip-invisible-ink-marker-red store_origin: PH region: Philippines --- # Bright red UV glow 2x standard ink volume Skin-safe & fast drying Opticz UV Blacklight Reactive Large Tip Invisible Ink Marker, Red **Brand:** opticz **Price:** ₱93 **Availability:** ❌ Out of Stock ## Summary > 🔴 Glow Undercover: Mark your world in invisible red brilliance! ## Quick Answers - **What is this?** Opticz UV Blacklight Reactive Large Tip Invisible Ink Marker, Red by opticz - **How much does it cost?** ₱93 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.ph](https://www.desertcart.ph/products/33246003-opticz-uv-blacklight-reactive-large-tip-invisible-ink-marker-red) ## Best For - opticz enthusiasts ## Why This Product - Trusted opticz brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Safe & Semi-Permanent:** Fast-drying ink that’s safe on skin and resists easy removal—perfect for event marking or body art. - • **Precision Meets Durability:** Metal medium tip ensures smooth, consistent lines with a professional finish every time. - • **Double the Ink, Double the Impact:** Extra-large body with broad tip for extended use and bold marks. - • **Invisible by Day, Vibrant by Night:** Colorless in normal light, glows bright red under UV blacklight for secret messaging or security. - • **Versatile Security & Creativity Tool:** Ideal for admissions, inventory control, coupons, and glowing invisible designs that stand out. ## Overview The Opticz UV Blacklight Reactive Large Tip Invisible Ink Marker delivers twice the ink volume in a broad, metal-tipped design that writes invisible marks visible only under UV blacklight. Safe for skin and fast drying, it’s perfect for security, event management, and creative body art that demands a secret glow. ## Description Product description This UV blacklight reactive invisible red large tip marker uses our high quality water based invisible ink blend. Perfect for secret messages, marking merchandise, and other stealthy security uses. Glows an incredible bright red in blacklight. Ideal for metal, glass, plastics or paper. Can also be used on aluminum, ABS, acrylic, rubber, cellulose, acetate, formica, nylon, polystyrene and polyethylene. Totally invisible and won't wash off easily. Large tip is ideal for covering larger areas with minimum passes. Marker comes ready to use and is formulated to fluoresce brightly under long wave ultraviolet or LED blacklight. Ink is non-toxic, fast-drying and non-transferable. Ideal for applying onto an already printed surface. Marker is non refillable. This classic Opticz Invisible Ink Marker applies totally invisible and will glow bright red in UV light Opticz UV Inks have been an industry standard for 10+ years! This marker is suited for re-admittance at events, social gatherings, sporting events, glow parties, marking valuables or your own unique security applications where hidden detection is of benefit. Our inks are non-toxic when used properly, fast-drying and non-transferable. This ink can be used for textile marking, hand-stamping, and fabrics as well. If using on skin, avoid application around sensitive areas like eyes and mouth. Key Features Water based blend is safe for skin when used properly. Ideal for secret messages or security marking. Invisible in normal light. Glows bright red in blacklight. Large tip is ideal for covering larger surfaces areas with minimum passes. Marker measures 5.25" long x 1/2" wide Review: Find out more information about your sheets are!! - This item is going when you want to find out how often your sheets are changed, I loved it, it is easy to dry, visibility is 0, and easy to use Review: Actually glows under blacklight - It's hard to find a marker that visibly glows under blacklight. This one worked well enough though Color quality: great ## Features - Invisible/colorless in normal light. Glows bright red in UV blacklight. Please note, these markers do NOT glow in the dark. You must have a blacklight to get the glow effects. - Extra large body with braod tip. Contains twice the ink as our standard sized markers! - Safe for use on skin. Use for security marking (such as admissions) or create amazing invisible body art designs that glow in blacklight! - These is the markers you want for semi permanent invisible marking. These markers can be used for: Event Tickets, Industrial Coding, Security Printing, Coupons, Raffle Tickets, Inventory Control, Advertising, and more! - Ink is fast drying and does not remove easily! Avoid sensitive area such as eyes, mouth, and nose. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B01IRUPKK4 | | Additional Features | Glows in blacklight, Security grade ink sticks and very tough to remove | | Age Range Description | Adults and older children | | Best Sellers Rank | #275,235 in Office Products ( See Top 100 in Office Products ) #1,667 in Permanent Markers & Marker Pens | | Body Shape | cylindrical | | Brand | Opticz | | Brand Name | Opticz | | Closure Type | Pull Cap | | Color | red | | Customer Reviews | 4.3 out of 5 stars 447 Reviews | | Grip Type | Smooth | | Hand Orientation | Ambidextrous | | Included Components | 1 marker | | Ink Base | Hybrid | | Ink Color | Red | | Is Waterproof | false | | Item Dimensions | 5.2 x 0.51 x 0.51 inches | | Line Size | 2 | | Manufacturer | Opticz | | Manufacturer Part Number | IIMARKERXLROP | | Marker Type | Permanent Marker | | Material Type | Plastic | | Model Number | IIMARKERXLROP | | Number of Items | 1 | | Number of Pieces | 1 | | Pattern | Solid | | Point Type | Medium | | Recommended Uses For Product | Glow Party, Secret Messages, Security | | Style | Permanent | | Surface Recommendation | Glass,Metal | | Target Audience | Adult | | Theme | Security and Stealth | | UPC | 840015102548 | | Unit Count | 1 Count | | Water Resistance Level | Water Resistant | | Writing Instrument Form | Marker Pen | ## Product Details - **Brand:** Opticz - **Ink Color:** Red - **Number of Items:** 1 - **Point Type:** Medium - **Recommended Uses For Product:** Glow Party, Secret Messages, Security ## Images ![Opticz UV Blacklight Reactive Large Tip Invisible Ink Marker, Red - Image 1](https://m.media-amazon.com/images/I/51i8F8RrGLL.jpg) ![Opticz UV Blacklight Reactive Large Tip Invisible Ink Marker, Red - Image 2](https://m.media-amazon.com/images/I/51SvcO5S0nL.jpg) ![Opticz UV Blacklight Reactive Large Tip Invisible Ink Marker, Red - Image 3](https://m.media-amazon.com/images/I/61xf8sXb4gL.jpg) ![Opticz UV Blacklight Reactive Large Tip Invisible Ink Marker, Red - Image 4](https://m.media-amazon.com/images/I/71GPAwSAabL.jpg) ![Opticz UV Blacklight Reactive Large Tip Invisible Ink Marker, Red - Image 5](https://m.media-amazon.com/images/I/61xqGCklREL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Find out more information about your sheets are!! *by L***S on October 11, 2025* This item is going when you want to find out how often your sheets are changed, I loved it, it is easy to dry, visibility is 0, and easy to use ### ⭐⭐⭐⭐⭐ Actually glows under blacklight *by A***C on July 2, 2025* It's hard to find a marker that visibly glows under blacklight. This one worked well enough though Color quality: great ### ⭐⭐⭐⭐ Good UV marker *by A***R on February 13, 2019* This marker works well, but it does show up, without UV light, so be discrete in how you mark property, and they might not notice. The markings appear to be glossy, without UV light. ## Frequently Bought Together - Opticz UV Blacklight Reactive Large Tip Invisible Ink Marker, Red - Opticz UV Blacklight Reactive Large Tip Invisible Ink Marker, Blue - Opticz UV Blacklight Reactive Large Tip Invisible Ink Marker, Yellow --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.ph/products/33246003-opticz-uv-blacklight-reactive-large-tip-invisible-ink-marker-red](https://www.desertcart.ph/products/33246003-opticz-uv-blacklight-reactive-large-tip-invisible-ink-marker-red) --- *Product available on Desertcart Philippines* *Store origin: PH* *Last updated: 2026-06-02*