Come and see our amazing products. The frame is polycarbonate, and the temples are copper-nickel alloy.The size is one size fits all.The glasses protects your eyes from the glare of the sun when you are traveling, fishing,driving,doing exercises and so on.It is strong,durable,useful,Eco-friendly and comfortable to wear.It has a contracted frame so it's anti-shock and anti-fall.It blocks glare to make your eyes feel comfortable even in strong sunlight.It also provides high definition vision.Price over 2500 pcs is via sea shipment.Price subjects to change without notice,please verify with supplier. Pls confirm with us about the packing info, stock color and exact production time before placing your order.