1.All Our lenses have UV protection ,block 100% of UVA, UVB, UVC rays as well as harmful blue light to 400nm.

2.The photochromic lens will change color under direct sunlight. Discoloration occurs in about 1 minute in winter and about 40 seconds in summer. The speed depends on the sunlight and UV intensity! (If the UV intensity and temperature are low, the discoloration speed will slow down.) The discoloration speed is related to the UV intensity and temperature.

3.This style does not have polarized lenses and does not support myopia frames.

4.In any of the following situations, please contact customer service immediately.

①The first is: if the package is not received, the customer service will tell you the solution.

②The second is: there are any flaws in the glasses, please feel free to contact customer service to solve the problem until you are satisfied.

③The third is: if you have any opinions about our products, we will listen carefully, and we will give you new products for free after adopting them.