Features: Make of soft silicone materials, comfortable and easy to use. Widely used for freediving, fishing, scubadiving and snorkeling. Large diameter tube and ergonomic mouthpieces will make you easy to breathe. Equipped with a silicone Storage Case, easy to attach to most of standard snorkels or goggle. Our flexible silicone vents tube can quickly rolled into the included storage box for easy travel and storage. Specifications: Materials: Silicone Color: White/Black/Yellow/Pink/Clear/Orange/Light Green/Chocolate/Violets/Purpleness Redness Natural bending length: about 37cm/14.57inch Straightening total length: about 41.50cm/16.34inch Package Includes: 1pc Rolls Up Silicone Snorkel note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.