1. Easy attachment to any normal snorkel/diving: The snorkel can be easily attached to standard diving snorkels/goggles. Adjustable clip with quick release, easy to put on and take off when diving, allows movement up the snorkel tube for a comfortable position. 2. Foodgrade liquid silicone mouthpieceSuper soft for the mouthpiece, very comfortable in your mouth provides a good seal. Formfitting with angled corrugated mouthpiece design, allows for longer use. It is a removable, replaceable silicone mouthpiece if needed. 3. Long, oval upper tube provides more air, breath. A large diameter tube gives you a full breath without difficulty catching your breath. The upper tube is curved and comes close to your head, which pulls your mouth. It is a snorkel for snorkeling, diving, swimming. 4. Easy to blow out water through the rinse: Located at the bottom of a bellylike reservoir that is offset from the mouthpiece tube, making it effortless to keep the snorkel dry. The water can even be removed from the dry snorkel underwater, all you have to do is give it a good blow.