Xpi Kids Sunglasses PK139-2 Children should wear sunglasses, especially when playing at the beach. It is best to wear sunglasses with polarized lenses. The sunlight refracted by the beach will cause great damage to the eyes. Therefore wearing polarized sunglasses is important for children when they go out and play. , 100% UV400 PROTECTION KIDS SUNGLASSES - Protecting the eyes from the sunlight is essential, especially kids. Young eyes are more fragile and sensitive, easier damaged from sun as they have larger pupils and clearer lenses. So it's time to have a pair of sunglasses for kids which provide all-day 100% protection against harmful UVA/UVB rays.Besides,our kids sunglasses with polarized lens can reduce glare reflected off of roads, bodies of water,snow,and other horizontal surfaces. , UNBREAKABLE SUNGLASSES - The polarized lenses are made of TAC material, which make it impact resistant and durable for the use. Lightweight and durable TR90 frame and one-piece nose pads put no stress on children's nose ensure comfort to wear for long periods of time. One size can perfectly fit kids faces comfortably.