Material: PC Sealing silicone ring Anti-fog coating coating Large field of vision: the crystal clear one-piece conjoined lens design delivers a wide 180 degree field of vision. The high level of impact resistant polycarbonate lenses provide enhanced water resistance and the wider flexible silicone frame reduces pressure around the eyes, allowing your child to enjoy swimming. No leaks: the high quality silicone material used on the goggles and the 3D ergonomic design ensure that different face shapes can be applied without leaks. Adjustable straps and soft sealing silicone make our goggles great for children aged 3-15 years. Anti-fog and UV protection: the anti-fog and UV protection coating on the surface of the lenses prevents them from fogging up and protects your child's eyes from UV damage. Easy to put on and take off: the easy-to-use buckle design makes it easier for children to put on and take off the goggles. The goggle straps can be quickly released by pressing the buckle button at the back. Easy to adjust and comfortable to wear Suitable for a range of water activities such as swimming training, water parks, leisure holidays, the beach, water rafting and more Packaging: children's goggles*1, box*1