UV400 Protection and POLARIZED LENS. UV400 protection lenses block 100% harmful UVA & UVB rays, keeping your eyes healthy. Polarized function filters the glare, eliminates reflected light and scattered light from the roads, water, snow, and other horizontal surfaces, restoring true color. HIGH QUALITY MATERIALS. The matte frame is made of high quality elastic plastic, which is ultralight, flexible, good touch. The lens is made of polycarbonate(high temperature resistance, ultra light, super impact resistance), which means your sunglasses can be used for long time without scratched or broken. LIGHTWEIGHT DESIGN. These sunglasses are designed classic square shape, combining with horn rimmed decoration. Only 24g, bring you stress-free wearing experience. Lightweight design makes your wearing more comfortable. Perfect All Rounder. WJSM sunglasses is the perfect choice for outdoor sports and activities such as walking, cycling, driving, shopping, travelling, hiking, and is suitable as fashion accessories and daily wear all year round. These unisex sunglasses are also a wonderful festival gift for friends and family! 30-DAY MONEY BACK GUARANTEE. All WJSM customers enjoy 30 Days Money Back Guarantee and Lifetime Breakage Warranty(non-human). Customers can return and get refunded in case the purchasing is not satisfactory for any reason in one month. You have no risk to try and we will provide you the best service!