triacetate lens polarized FOOD-GRADE TPEE FRAME – Made by soft flexible skin-friendly TPEE material. Completely flexible and virtually unbreakable arms safe for kids. HD TAC POLARIZED LENSES – 100% UV400 protection coating, blocks 100% harmful UVA & UVB Rays. Swiss technology lense restore true color, eliminate reflected and scattered light. ULTRALIGHT SPORTS STYLISH – 17g/0.59oz only. Ideal for sports or other outdoor activities. FREE GIFTS – Adjustable strap & Anti-slip hooks, more security when playing game. 30 DAY MONEY BACK : Customers can return and get refunded in case the purchasing is not satisfactory for any reason. Reliable customer service is our priority. SO NO RISK ON TRY!