Features: 1. Polyvinyl Chloride frame, Impact Resistant Coating. 2. Clear and ultra-wide field of view: our glaes use a wider lens design, which have a view of 180 degrees. Provide maximum vision and clarity to ensure that your child has a more comfortable swimming experience. 3. Functional design: the new quick installation button makes the strap easy to adjust and easy to wear. The thin elastic headband can fit your child's head perfectly and its wider design can distribute the preure more evenly, giving your child a comfortable wearing experience. 4. Anti-fog and anti-ultraviolet: Our children's swimming goggles is equipped with impact-resistant polycarbonate lenses. All lenses provide anti-fog and anti-ultraviolet protection, which can protect your child's eyes from ultraviolet rays and provide the best clarity vision. 5. The safest material-swimming goggles are made of odorle and hypoallergenic silicone. The swimming goggles are latex and PVC-free, which is especially recommended for your children. Ergonomic 3D design adapts to children's eyes. Specification: Model: Children's Swimming Goggles Material: PC lens, high-elastic and eco-friendly silicone fixing, high-elastic and eco-friendly silicone strap Net weight: about 56g Size: about 21*7.7*7.7 cm/8.19*3.00*3.00in Packing List: Children's Swimming Goggles*1 Note: Due to the lighting effects and shooting angles, there is color difference in the product, please understand. Due to manual measurement, there is a tolerance in the product size.