Ideal for both beginners and experienced snorkelers, the Land and Sea Sports Porpoise Snorkel Set features an efficient and comfortable design, allowing you to experience the pleasures of underwater exploration. Key Feature: For added thrust, it is constructed with rigid blades Its splash guard helps prevent water from entering the tub Built with a purge chamber for easy clearance of water in the tube It has a non-allergenic clear silicone mask skirt and strap for a secure fit * Conveniently comes with a foot pocket, a carry case, and a crystal silicone mouthpiece