Crystal clear underwater - With the high transmittance and wide view of the clear flat PC lens, kids swim goggles help your children see crystal clearly underwater so they have more courage to explore the mysterious underwater world. Perfect for little boy's and girl's swimming lessons and inspiring them to swim. Designed for children aged 3-9 years old. No leak soft silicone - Let kids goggles Full Protection - kids goggles are designed with innovative coating on the surface of the lens on the inner surface. The lenses reflect sunlight to provide kids a comfortable and agreeable wearing experience. With the newest coating, these goggles defog automatically to make sure the fog won't condense easily and affect the child's sight. Kids will love and trust these goggles. Easy adjustment - The quick adjust straps can be easily adjusted by kids or parents. Just press the clasp and pull the strap to fit. The elastic head strap can stretch strongly without breaking and is able to fit most kids' head sizes. Children can stand on their own feet and adjust the strap by themselves.