This mobile phone straps can be used to test the strength of ultraviolet radiation, mobile phone chain itself is transparent in the sun will become the picture of purple, pink, yellow, blue and so on, the more intense ultraviolet radiation, the deeper the color, like the colors of the rainbow after summer rain, very beautiful.

The products can reminded the beauty out good sun protection. One product that both can do mobile phone accessories and can also remind you that make sunscreen preparations, such as mobile phone chain, It is great!