Plastic frame Plastic lens Non-Polarized UV Protection Coating coating Bridge: 21 millimeters These sunglasses Use a UV400 lens to effectively block the damage of ultraviolet rays to the eyes and protect the eye . Stylish design fits, shopping, driving, walking, and traveling. UNIQUE DESIGN - Retro Rectangle Design, This trendy essential style is as versatile as it is easy to wear, suitable for males, females, teenagers, juniors, boys, girls, anyone who wants to look stylish. UV400 PROTECTION - UV400 Lens can block 100% of both UVA and UVB radiation. UV400 rated sunglasses are essential for filtering out sunlight reflected glare and protecting your eyes against long-term UV damage when you go out. RODUCT DIMENSION - Lens Width: 50 mm(1.96 inches) | Lens Height: 31 mm(1.22 inches) | Temple Length: 145 mm(5.7 inches) | Nose Bridge: 21 mm(0.82 inches)