Features: Premium silicone diving regulator accessory ensures soft, secures fit and eliminates discomfort from traditional rigid mouthpieces, perfect for extended underwater use. The universally design seamlessly integrates with multiple diving equipment brands, offering compatibility for divers upgrading or switching gear. Ideal for professional divers, underwater photographers, and teams requiring reliability, adaptable accessories during critical missions or recreational exploration. Engineered for saltwater environments, its corrosions resistant silicone construction withstands rigorous marine activities like deeply sea diving or pool training. Featuring easy installation and hypoallergenics properties, this regulator mouthpiece prioritizes user safety while maintaining durability against wear and tear. Specifications: Component: Silicone Size:Approx.3.5x5.2cm/1.38x2.05inch 4Option Color; Features: superior water pressure resistance,high elastic design, ergonomics; Scenario: diving activities, Underwater photography,Swimming training, Package Includes: 1pc Regulator Mouthpiece note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.