Item Type: Scuba Diving Regulator Mouthpiece Material: Silicone Weight: Approx. 21g/0.7oz Product Size: Approx. 5.1x5.4x3.6cm/2.0x2.1x1.4in Package List 1 x Scuba Diving Regulator Mouthpiece 1 x Tie 1Silicone Material: This diving mouthpiece is made of premium food grade silicone, safe and free from odor, soft and elastic, not easy to deformation, long service life. 2Comfortable Bite: Fashionable and simple design, comfortable and easy to bite, effectively prevent masseter fatigue, bring better diving experience. 3Universal Applications: Universal snorkel mouthpiece regulator for the replacement of the old one. Suitable for most normal diving snorkels and regulators. 4With Tie: The silicone regulator mouthpiece is lightweight and portable, comes with tie for strong and tighter connection, will not affect your breath. 5Great Diving Accessory: Essential accessory for scuba diving, snorkeling, free diving, etc. Snorkel Mouthpiece serves as a nice gift for your family, friends and colleague.