Large Lens & Better View - With the large lens, the swimming mask provides perfect light and better view in the water. And children will look really nice with this colorful swimming mask, they will like it. Safe & Soft Material - The swimming goggles adopt odorless and skin-friendly material. Its very comfortable and watertight seal, providing a comfy and leak-free swimming experience for kids. Fastening: Button Anti-Fog ONE SIZE FITS MOST - The Swimming Goggles is available in ONE SIZE. The strap is adjustable and stretchy, which makes it suitable for most kids aged 4 - 12. High Quality Lens - The lens is made of high quality PC(polycarbonate), and its treated with Anti-fog coating. It will provide a very clear vision in the water. Better view, more fun. A Nice Gift for Swimming Kids - Thanks to the stretchy material, the swimming goggles are suitable for boys and girls aged 4-12. For children who like swimming or learning to swim, its a nice gift for them.