One-piece Outer Lens: Unlike other swim goggles for kids, our swim glasses has a one-piece lens fully covered on it. The extra large impact-resistant lens not only looks cool and unique, but also provides a 180-degree wide optimal crystal-clear vision and anti-fog protection Quick-release Button & Adjustable Strap: Your children can wear the goggles on and off very easily by the durable quick-release button. The elastic and wide head strap could fit your kid's head perfectly and distributes pressure for comfortable wearing experience Fastening: Buckle Protection etyj-3s-fz Waterproof & Comfortable Eye Socket: What behind the lens is the wide & thick silicone eye socket that can fit all childrens faces, which provides perfect waterproof & comfortable wearing experience. Your kids eyes can get perfect protection during swimming Safe for Children: We only use odorless and hypoallergenic silicone and PC to make our goggles. Each set has 3 pair of goggles for kids to enjoy swimming and other activities without worries Perfect Set with Great Support: Each set has Kids Swim Goggles in vivid colors x 3, and a Mesh Pouch.