Retro Round Metal Sunglasses Unisex Design UV Protection Glasses(Black+Grey)

Frame Material:Alloy
Lenses Optical Attribute:Photochromic,Anti-Reflective,UV400,Gradient
Lenses Material:Polycarbonate
Style:Round
Instructions for use of sunglasses:
1. Sunglasses can be bad for eyes if not worn properly.
2. It is not necessary to wear sunglasses when the light is dark on cloudy days and indoors.
3. For infants and children whose visual system is not fully developed, sunglasses should not be worn.