Description: Material: Professional scuba diving bite, 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 mouth piece adopts excellent manufacturing and ergonomic design, which is comfortable and easy to bite. Practical & Durable: Granular margin, anti slip and anti shedding. good sealing, no leakage. 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 bottles mouthpiece interface can also be connected with regulator, essential diving accessories. Specification: Material: Silicone Size Chart: Mouthpiece: 5cmx5.5cm/1.97inchx2.17inch Tie Strap: 15cm/5.91inch Package Includes: 1 Scuba Diving Regulator Mouthpiece Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful online shopping!