Photochromic Ink & Pigments – UV Light Sensitive
Please note: All orders are processed in 1-5 business days after receipt of order.
Permanent change UVC Light Indicating Labels
Water-Based Inks change color when exposed to sun or black light UV.
Colorless to Color when exposed to UV light
UV Light Activated Thermometer Stickers, 30 Paper Label Stickers Per Sheet - Sticker size: 1" x 2-5/8"