UV rays reach the earth all year long in cloudy and low temperatures
But UV rays are not visible.
An excellent product that can easily check the ultraviolet rays. This is a cute phone strap
"UV Checkered Strap".
Check UV rays in various places with your phone that you always carry.
■ Product Size (W x H x D): Approx. 0.5 x 5.1 inches (14 x 130
■Weight: 4.7g
■ Stone Color: Crystal Blue Aurora (Color may vary depending on angle)