Select Size to see the return policy for the item.Polycarbonate frame.Polycarbonate lens.Anti-Fog Coating coating.ULTRA WIDE & CLEAR VISION: The enlarged arc impact-resistant lens provides a 180 super wide vision to ensure a wonderful swimming experience. The inner surfaces of the lens are anti-fog coated which enhances the anti-fog ability, and higher transmission rate only for visible lights which also protect kids valuable eyes.UV PROTECTION: swimming goggles unique UV protection treatment on lens protects kids eyes from the indoor reflected light and the harm rays of sunlight, so it can be used in the pool or outdoor swimming.WATERTIGHT & COMFORTABLE: uses high quality silicone material on our eye pads to make them super soft and comfortable. The ergonomic design ensures less pressure on children's eyes. At the same time, with the gift of nose clip and earplug, it can effectively prevent water leakage.HEAD STRAP: We used the newest quick-release button to make the goggles easier to wear on and take off, and its easy to adjust to kids head sizes without pulling hair.JOYFUL SWIMMING TIME: With this professional swimming goggles, kids can enjoy a happy swimming time without any doubtThis stylish goggles will protect their eyes comprehensively. provide 12 months product guarantee and technology support, if you have any problem please contact us, we will help you out as soon as possible.