Material: PC + PU + silicone, Product size: lens width 5cm, eye beam distance 2.3cm, lens height 4.5cm. Features: waterproof and anti-fog lenses, easy-to-adjust buckles, one-piece earplugs, freely removable pen holder, one-piece design does not need to bring earplugs and nose clips, rinse with cold water and air dry after use Under Water Clear Vision: For a swimming goggle, the most important function is clear underwater vision. Swim Pool Goggles with high transmittance. It help your children see clearly, so they have more courage to explore the mysterious under water's world and inspiring them to swim. Safe No Leak Soft Silicone: Newest kids swim goggles are made from the wide and thick silicone eye sockets with the technology are super-soft and suitable for different facial shapes. They can distribute the pressure evenly and will not leave any traces after long-term use.Super soft nose bridge would never hurt kid's nose, help them enjoy the fun of water happily. Durable & Classic Look: The swimming goggles will make your child stand out from the swimming pool crowd. It can be used in the pool or outdoor swimming, you can take it with you wherever you go. Waterproof & Anti-Fog: The swim goggles feature an upgraded high-tech no-fogging on the inner surfaces of the lenses, extremely ensuring that won't fog up, and providing an undistorted view and super clear vision underwater. Enjoy a wonderful swimming time without glare, distorted or blurry. Easy to Adjust Size: Swim goggle head straps are designed with comfort and are easily adjustable to customize to any size. Non-slip straps effectively hold the goggle straps in place. A well-designed clasp makes it easy to put goggles on and take off without pulling children hair and mom reassure.