The label will react to ultraviolet light and discolor, and once discolored it will not return to its original color.
It has a special adhesive on the back for easy application. Suitable for use under UV lamps.
Sensitivity: Ultra-high sensitivity
Quantity: 1 pack (100 sheets)
Size: 18 x 18 mm
Primary color → Color change: Colorless (white) → Red
Irreversibility
