1Food Grade Silicone: The breathing tube is made of food grade silicone, soft, comfortable, durable and odorless, suitable for free diving and safe fishing for children and adults. 2Portable: Foldable design is easy to carry, flexible roll up silicone design is easy to store and save space, you can roll it up and put it in the pocket, or hang it on the bag. 3Specially Designed: The dry snorkel is specially designed for professional divers, snorkeling athletes, swimmers, frogman, water athletes, etc. 4Soft Mouthpiece: Monomer shaped mouthpiece, medical liquid silicone, soft and comfortable, easy to bite and prevent masseter fatigue. 5Large Diameter: The snorkeling breathing tube has a large diameter, which brings a pleasant breathing experience. It is equipped with a goggle fixed buckle, which is more convenient to use.