Description: 【Material】Professional scuba diving regulator mouthpiece is made of silicone, which is soft, solid and durable. It is not easily damaged, has reliable quality and long service life. 【Excellent Performance】The scuba diving mouthpiece adopts excellent manufacturing and ergonomic design, which is comfortable and easy to bite. 【Practical & Durable】Easy to install the mouthpiece on snorkel, fits the mouth shape, and prevents water from entering when biting. 【Universal】The diving mouthpiece is lightweight and portable, and it is easy to install, which is a direct replacement for your old or broken and suitable for most normal diving snorkels and regulators. 【Great Accessory】The scuba mouthpiece is suitable for deep sea diving air bottle mouthpiece interface can also be connected with regulator, and essential diving accessories. Specification: Material: Silicone Size Chart: 4.8cmx5.5cmx2.9cm/1.89inchx2.17inchx1.14inch Package Includes: 3 Diving Regulator Mouthpiece with Tie Wrap(3 Pack) Note: Please allow slightly errors due to manual measurement and different monitors.