We used the same technology - polycarbonate frames and anti-fog tempered glass lenses found in our high-end scuba masks - for the innovative junior snorkeling masknThe snorkel features a semi-dry top to prevent water from entering the top of the snorkel. The bottom of the snorkel features a purge valve to eliminate any water that enters the snorkelnThe masku0026#39;s easy-adjust buckle and flexible strap accommodate head profiles of all shapes and sizes. Adjust it to your own size by quickly and easily adjusting for optimal fit and comfortnIncludes a Neoprene mask strap protector to make sliding the mask on and off a breeze. The kids mask strap Slips over the masku0026#39;s silicone mask strap reducing hair tangling and pullingnIncludes mesh bag and 2-Year warrantynUltra-clear, anti fog dual lens design fits most children / kids' faces from 4-12 years. Semi dry snorkel field tested over years of service. Our masks are designed to provide a clear, wide field of vision. They JUNIOR's skirt is made of the highest grade crystal silicone to provide comfortable, watertight fit. The high density polycarbonate frame of the mask provides strong resistance against impact. The comfortable silicone strap features quick-adjust buckles. Also includes a neoprene mask strap cover to reduce hair tangling and pulling. Includes Mesh carrying bag. 2 Year Manufacturer Warranty. Innovative has been designing and manufacturing scuba diving and ocean equipment for more than 25 years. We combine our experience with cutting edge materials and designs to create highly functional, premium quality equipment that is built to last. All of our products come with a full Manufacturer's 2-Year Warranty.