Strengthened Underwater Breathing Facilitates breathing underwater by reducing water resistance and integrating a wet snorkel setup with functional drain valves that help effectively avoid choking discomfort. Comfortable Fit for Training The soft silicone mouthpiece and pressure distributing head pad provide extended comfort and a reliable oral fit, making it suitable for adults and teens during swimming and snorkeling. Reinforced Breathing Control Optimizes breathing efficiency with this snorkel accessory, a must-have for recreational snorkeling and swimming training to achieve breathing rhythms reliably. Reinforced Safety Features A silicone integrated mouthpiece provides blocking functionality to prevent water backflow and promote consistent and uninterrupted breathing performance. Use scenarios - Recreational snorkeling in calm waters or pools, where easy breathing and comfort are important for extended time in the water. - Pool-based lap training to practice steady breathing rhythms and improve performance during swimming workouts. - Beginner or teen/adult snorkeling lessons, focusing on safety, backflow prevention, and comfortable, reliable breathing during instruction.