Dry System Prevents seawater from entering the mouth by automatically closing the opening when submerged, delivering a dry mouth and more comfortable snorkeling experience. Helpful for duckdiving, wave impact, and surface swimming by reducing water ingress. Comfortable Silicone Mouthpiece Soft silicone mouthpiece designed for extended use, providing a snug fit that minimizes jaw fatigue and discomfort during long sessions. Built for comfortable, reliable contact with the lips and mouth. Flexible Corrugated Hose Flexible corrugated silicone tube that adapts to the contours of your face for a secure, comfortable fit. Designed to stay comfortable and stable whether you are snorkeling or scuba diving. One Way Exhaust Valve Oneway exhaust valve lets trapped water escape by exhaling, enabling unobstructed breathing while exploring underwater environments. Helps clear water quickly and maintain ease of breathing. Key attributes Function: dry mouth on submersion, easy water purge, comfortable longterm wear Material: silicone mouthpiece and silicone hose Performance: secure fit for snorkeling and scuba diving, reliable water expulsion Design: practical, straightforward system focused on comfort and ease of use Use scenarios Reef snorkeling in calm to moderate conditions: enjoy dry mouth experience and easy breathing from the start of the swim. Offshore snorkeling or nearwreck sites: reliable water exclusion and quick water clearance keep you comfortable during longer excursions. Beginner or family snorkeling sessions: soft mouthpiece and straightforward dry action provide a reassuring, comfortable experience for extended wear.