Polycarbonate (PC) frame with polycarbonate lenses and anti-fog coating. Fun Designs: Cute Blue Crab shape kids swimming goggles are sure to impress little ones! Choose from a variety of fun colors, shapes, and designs, perfect for swim lessons, laps, and lounging around the pool or on the beach. FIT System: Specially designed for US children. Middle eye fit offers a comfortable fit for a wide range of faces, making swimming more fun, safer, and convenient for kids aged 2-14. Super Comfy & Pain-Free: Latex and lead-free materials offer high performance, safety, and durability to keep kids protected. This swim goggles for kids features a soft silicone frame, soft strap, and soft nose bridge that fit well, ensuring a secure and comfortable fit on different facial forms without letting water in. Soft silicone gaskets around the eyes can distribute pressure evenly and provide nice comfort for kids. Anti-Fog & Clear Vision: Kids' swim goggles utilize high-quality PC lenses, and all internal lenses are coated with anti-fog treatment to ensure underwater clarity. Easy to Adjust: Our Cute Blue Crab kids swim goggles are easy to adjust and designed for long-lasting comfort. We focus on providing the most competitive price and finest quality of products for our customers. All of our products are returnable if they do not meet your expectations. Please give us a chance to try our kids swim goggles; we would never let you down.