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Photochromic product series which color change when absorb the energy of ultraviolet and return to the original color when the UV disappears.

Through this principle, you can test UV strength simply. This feature can be applied on variety of products, such as Sticker, Cards, Injection molding and clothing etc. This type of product can be used as a promotional gift for sales: such as outdoor supplies, skin care products, car film.

Use: To remind the strong and weak UV, reasonable arrangements for outdoor activities and take protective measures.

Display: color depth that the strength of ultraviolet light.

Application: As a promotional gift for sales: such as outdoor supplies, skin care products, car film.

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