Temples Made from Real Bamboo Wood 135mm frame width, 52mm lens width, 31mm lens height, and 15mm bridge. Comes with it's own Vision World Microfiber Storage Pouch This frame is best for: Narrow to Average face width. Lightweight and Durable Frame HAND CRAFTED SUNGLASSES Each pair is hand crafted from real bamboo. We use high quality reading lenses and stainless steel metal hinges. BAMBOO IS AWESOME Bamboo is a natural eco friendly sustainable material. It grows much faster than trees, requires less water, and can be reharvested over and over again. GREAT FOR WATER AND OUTDOOR SPORTS These glasses float in water! Because they're made from genuine bamboo, you can drop em in the lake and they float right on top of the surface. A thin layer of waterproofing ensures they don't warp or rot. 100% SATISFACTION GUARANTEE If you don't love our sunglasses, we'll be happy to refund you. We offer a 100% money back guarantee on all purchases.