Material: Food-grade silicone, safe and odorless. Great snorkel mouthpiece, compatible with most regulators and snorkels. Features: Easy to install, reduces jaw fatigue, tongue-depressing design. Suitable for scuba diving, snorkeling, spearfishing, and swimming. Soft silicone for comfort. Type: Diving bite mouthpiece. Intended for: Adults. Compatible with: Breathing tubes, second-stage regulators. Color: Black. Material: Silicone. Package contents: 1 x diving/snorkeling mouthpiece. Note: Color may vary slightly due to screen settings and lighting. Measurement tolerance: ±1–3 cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-CHhai shop 3