Whale&reg; Sk-900 Dry Snorkeling & Diving Snorkel with Comfort Mouthpiece and Quick Release Clip for Adult WHALE DRY SNORKEL KEEP YOUR MOUTH DRY! The floating ball technology prevents water from entering the tube. It keeps the water out with the unique floating ball design and it even keeps the water out in pretty choppy conditions. You may be in over 4 feet seas with it and toss about, just get one and dive without salt water in mouth! SUPER COMFORTABLE MOUTH PIECE! Whale snorkel has a soft mouth piece that never has weird rubber smell or taste. You can have it on for a long period of time and your mouth would not be bothered or irritated. Why do not to have a try! GREAT QUICK RELEASE CLIP FOR MASK! The snorkel has a clip that attach your mask and it can be removed from the mask easily by pinching the sides or put back on by sliding in. You would not worry about that it will snap off when attaching the mask. THE ONE WAY PURGE VALVE! Valve system keeps water out when diving and allows free flow when surfaced. The One-way Purge Valve allows for clear and easy breathing. Occasionally water gets into your dry snorkel but it can easily be cleared out with the valve system. SUPER FLEXIBLE SILICONE CORRUGATED HOSE! It is easy to bend and you can move your face around, unlike being constricted by a more stiff snorkel with no movement. Whale snorkel is durable and light weight.