3D Silicone Seals:The anti-fog swimming goggles are specially designed with an integrated frame and a flexible nose bridge, while the inner frame is wrapped in a soft gel skin that adapts perfectly to the contours of the child's face, which can distribute the pressure evenly and ensure maximum comfort, does not leave red marks around the eyes after swimming. Anti-fog and 180 + lens : : With the help of 180 anti-fog technology + wide-angle anti-shatter lens, it can protect the swimming goggles from fogging and provide a better field of vision when swimming. These swimming goggles this swimming mask help children reduce glare to protect your sensitive eyes from ultraviolet rays to provide outdoor swimmers with more enjoyable swimming. 180Clear Vision: : Ultra clear lenses give kids the best viewing experience. Special lenses can resist scratches and strong light even deep water pressure. With this excellent protection of our swimming goggles for children, your swimming time is worry-free. Kids will love the large panoramic field of vision. the long-lasting, clear and distortion-free vision makes it possible to explore and play in the underwater world.