Description: Material: Professional scuba diving regulator mouthpiece, made of silicone, which is soft, solid, and durable. It is not easily damaged, has reliable quality, and long service life.High Performance: The scuba diving mouthpiece adopts great manufacturing and ergonomic design, which is comfortable and easy to bite.Practical & Durable: Easy to install the mouthpiece on the snorkel, fits the mouth shape, and prevents water from entering when biting. Size: 5.12cmx5.39cm/2.02inchx2.12inch.Universal: The diving mouthpiece is lightweight and portable, and it is easy to use, 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 a regulator and essential diving accessories. Specification: Material: Silicone Size Chart: 5.12cmx5.39cm/2.02inchx2.12inch 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!