1.Food grade liquid silicone mouthpiece: super soft and for the mouthpiece, very comfortable in your mouth and provides a good seal. Formfitting with angled and wavy mouthpiece design, allows for longer use. It is a removable and replaceable silicone mouthpiece if necessary. 2.Easy to blow out water through the flush. Sits at the bottom of a bellylike reservoir offset from the mouthpiece tube, making it effortless to clean and dry bones. The water can even be removed from the dry snorkel underwater, all you need to do is give it a good punch. 3.Easy to attach to any normal snorkel/scuba diving The snorkel can be easily attached to a standard diving snorkel goggles. The adjustable clip is easy to put on and take off, allowing you to move up and down the snorkel tube for a comfortable position. 4.The long oval top tube provides more air and breathing. A large diameter tube gives you full breath without having trouble catching your breath. The top tube is bent and comes close to your head, which pulls your mouth. It is a snorkel for snorkelling, diving on the skin, diving, swimming.