FRAME FEATURES: Ocean Ridge 700 eyeglass frames feature a square, black frame and adjustable temples. Made from Costas Bio-Resin nylon. The material is strong, allowing the frames to hold their shape in heat and cold weather, and our trifusion frame technology results in unique color combinations. PRESCRIPTION READY EYEGLASS FRAMES: Costa Del Mar eyeglass frames feature lenses that need to be replaced with prescription lenses so you can enjoy clear vision. CASE & CLEANING CLOTH INCLUDED: Each pair of Costa Del Mar eyeglass frames come with a cleaning cloth and case to clean and protect your eyewear from scratches and damage. VISIT THE COSTA DEL MAR BRAND SHOP: Click on the Costa Del Mar link above the product title to shop the entire Costa Del Mar sunglass and eyeglass assortment.