Men Oversized Aviation Metal Frame Spring Temple Polarized Sunglasses Male Pilot Male Driving Sun Glasses(Black Frame)

Lenses Optical Attribute: UV400, polarized
Frame Material: Alloy
Lenses Material: Polyurethane

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.