Material：Frame: PC ; Lens: Polycarbonate (Non-Prescription) Scratch Resistant Coating coating Lens width（mm）: 51 Frame Height（mm）: 32 Nose Bridge（mm）: 15 Frame Length（mm）: 146 Temple Length（mm）: 138 Lightweight,Stylish and Durable Suitable Scene-Lightweight design is ideal for motorcycle and cycling bicycle, driving, running, fishing, racing, skiing, climbing, trekking or other outdoor activities. Lenses – All the lens 100% UV400 protection coating, blocks 100% harmful UVA & UVB Rays. Restore true color, eliminate reflected The Iconic Details - One-piece nose pads design makes it will not oppress nose bridge. Special design legs is quite match ergonomics and has anti slip performance, ensures sunglasses comfortable to wear. 30Days Money Back Guarantee – 100% Satisfaction Guaranteed. Please just let us know if you're not happy with your purchase within 30 days, and we'll take care of you. You have no risk to try.