Applicable people: children Lens Material: Polycarbonate Category: Swimming goggles [Material]: Lens: polycarbonate; Lens circle: silicone rubber; Nose buckle: polyurethane; Headband: silicone rubber; Side buckle: Polycarbonate Swimming goggles features: 1. The lens is made of polycarbonate material with excellent impact resistance and the surface is waterproof. 2. The bending rate and parallel degree are excellent, and eye fatigue will not occur after long-time use. Lens circle of the contact with the face is made of silicone rubber material, so it is soft and impermeable to water. 3. The length of the headband is adjusted by the left and right buckles of the goggles, which is simple and convenient. [Maintenance method]]: Please keep the lenses clean and keep them away from dust and oil stains to achieve the expected use effect. After wearing the goggles each time, please clean the goggles with clean water, and naturally dry in the shade. Do not touch or wipe the inside of the goggles lens directly. Do not expose to high temperature and humidity or direct sunlight.