Features: Silicone material: The silicone nozzle is made of silicone material, which has good-elasticity, no odor, is wear-resistant and durable, and has a long service life. Good-Elasticity: Soft and elastics, not easily deformed. Easy to connect to and remove from the vent-pipe. Widely suitable for circularly or elliptically pipelines. Universal: Used to replace old snorkeling mouthpiece regulators. Suitable for most ordinary diving snorkeling and regulators. Small and lightweight silicone suction nozzle, comfortable and easy to bite, preventing masseter fatigue. Convenient to carry and does not occupy too-much storage space. Scope of application: Silicone suction nozzle is widely used for diving, vacation, training, swimming, etc., increasing the fun of diving. Specifications: Material: Silicone Color: Black/White/Red/Fluorescent Yellow/Lake Blue/Maca-Pink/Light Purple/Grey-color/Turquoise-color Size: As shown in the picture Package Includes: 1x Silicone Snorkel Mouthpiece note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.