Summer Must-have Color Changing Patch, Sunscreen Patch, UV Testing Sticker

Product information:

Shape: Small flower shape
Scope of application: Testing ultraviolet radiation
Film type: coated film
Type of adhesive used: environmentally friendly adhesive
Long term temperature resistance: 22 (degrees Celsius)
Thickness: 0.25 (mm)
Material: PVC+UV testing
Color rendering time: 5-15 seconds
Test light source: UV290-397nm
Color indication: The stronger the UV intensity, the darker the color

Specification: 12 pieces/sheet

Packing list:

Test sticker * 1 sheet