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Photochromic Ink – UV Light Sensitive

Water Based Photochromic Ink - Individual Color

Water-Based Inks change color when exposed to sun or black light UV.
$32.00

Sun Activated Stickers

UV Light Activated Thermometer Stickers, 30 Paper Label Stickers Per Sheet - Sticker size: 1" x 2-5/8"
$6.95