Flat lenses offer no distortion while in the water, guaranteeing your child has an easy time learning to swim. They are made with high-quality, hypoallergenic material to ensure comfort and a perfect seal. The goggles feature easy-to-adjust buckles, making adjustments fast while in the water. Shatterproof lenses and an internal anti-fog treatment offer a long life. Perfect for ages 2-7 years. They are available in bright, fun colors.