Description Product Details Warranty Information Proof Quinn-Blush Tortoise: Eco-friendly frames from Proof Eyewear. Handcrafted from cotton based acetate. BPA free. Water and sweat-resistant. Quote on inside of temple: "Make waves" With each frame purchased, five trees are planted. Frame Material: Cotton based acetate and metal. Fully biodegradable. Fit: Medium Large 52 18 145 43 Comes with: Companion Case, Cleaning Cloth, 1oz. Eyeglass Cleaner Free Shipping (USA) Frame Size: Medium Large (52-54mm) Bridge Width: 18mm Temple Length: 145mm Color: Tortoise Shape: Round Material: Bio-Acetate Style: Full-Rim newOptions: true 30-Day No-Hassle Guarantee