TR90 Cycling Polarized Sunglasses Mini Case Thickness: 7mm

Case Thickness: 7mm

Color: Green

and UVC rays

These cups are designed to give you the ambience of a cozy coffee shop every time you have your favourite drink

TR90 Cycling Polarized Sunglasses Mini Case Thickness: 7mmTR90 Cycling Polarized Sunglasses Function: Photochromic, polarized light and 100% UV protection Light transmittance: 80% 18% Color: 80% is light gray when UV is low, 18% is dark gray when UV is high Adjustable non slip nose pads. Please note: Discoloration rate is related to UV intensity and temperature (if UV intensity and temperature are low, the discoloration speed will be slower) Glass will only change color under UV light. Does not change color