Introducing the Reef Tourer Adult Single-Window Mask and Snorkel Set - the perfect companion for both beginner and experienced snorkelers alike. Made from the highest quality pure silicone, tempered glass, and polycarbonate materials, this set provides unparalleled comfort and durability for your underwater adventures. - The crystal-clear tempered glass lens is scratch resistant, has safety impact protection, provides superior clarity, color, and light transmission. - The low volume double seal mask skirt is made from the highest quality silicone, fitting many different faces maintaining water-tight seal - This snorkel features a splash guard to reduce water intake for easy breathing. The vents and covers angle and direct the water away from entering through the snorkel opening. - The snorkel features a purge valve, which is a one-way valve found at the bottom end of the snorkel. - 3-YEAR/36 MONTH WARRANTY - Comes in a blister pack for easy merchandising display