High Quality: The lens swimming goggles are made of polycarbonate, and the straps and edges are made of soft, hypoallergenic silicone, which is more comfortable to wear, resistant to pressure, wear and impact, and adopts a deeper design with higher elasticity, which can better fit the eyes and is completely waterproof.Waterproof and Anti-fogThe swimming goggles are waterproof, anti-fog, and UV-proof, with a 30 arc and a 180 wide-angle field of view, which can bring more fun to children. The ergonomic design ensures a perfect fit for different face shapes and prevents water from entering the glasses.Adjustable ButtonThe user-friendly design with elastic buttons allows you to adjust the strap to the right size by yourself for individual adjustment. Simply remove the strap from the buckle and it can be adjusted freely to ensure a user-friendly fit.Can be used as a gift: The swimming goggles are stylish and designed for children. The cute patterns allow children to enjoy swimming easily and happily, and are a perfect gift for children.