1. 【Dimension】: nose bridge: 20mm ， 137 * 49cm 2. 【Metal alloy frames are ultra-light and high quality material, light and comfortable to wear】 3. 【UV400 PROTECTION】: Sunglasses with UV400 protective coating effectively block the harmful UVA and UVB rays and reduce eye fatigue. Eliminate reflected and stray light. Protect your eyes from long-term UV damage when you go out. 4. 【ROBUST FRAME】: Durable metal frame with retro circle design, spring hinge on the arm for a more flexible and comfortable fit. Great for shopping, traveling, biking, driving, golfing, fishing, skiing, beach wear, and other outdoor activities. Suitable as a high fashion accessory and for everyday wear all year round. 5. 【These trendy sunglasses are well packed with a solid glasses case and are therefore a wonderful gift】 ： for family, friends and lovers.