Description: With small dots in the mouthpiece so to bite it easily 100% silicone, non-toxic, anti-allergy and anti-aging Diving essential supplies, suitable for most normal snorkeling snorkel With tie wrap design, can fixed the mouthpiece better to prevent leakage Suitable for deep sea diving air bottles mouthpiece interface can also be connected with respirator Specification: Great for the replacement of the old If travel, rental of diving equipment, then we must carry with, to avoid the spread of disease Material: Soft Silicone Colour: Black/Transparent Dimensions: Approx. 6 x 5 x 2.3 cm/2.36 x 1.97 x 0.91 inch Top Max. Width: Approx. 6 cm/2.36 inch Bottom Max. Width: Approx. 3.5 cm/1.38 inch Package Includes: 1 Piece Diving Tube Mouthpiece (with tie wrap) (15 Pack) Note: Due to the differences between different monitors, the picture may not reflect the actual color. There is 2-3% difference according to manual measurement, please check the size carefully before you buy the item.