Designed with all-day comfort in mind, the Tusa Hyperdry Elite II Snorkel features an ergonomic silicone mouthpiece for reduced jaw fatigue and a low-profile top that shuts water completely out when hit with waves or submerged underwater. Plus, the high-flow purge valve allows you to clear any remaining water in the mouthpiece instantly. Stop swallowing sea water and enjoy snorkeling. Low-profile dry top keeps water out Ergonomic mouthpiece for comfort and reduced jaw fatigue Comfort swivel adapter rotates the snorkel to a comfortable position High-flow, angled purge chamber for low effort clearing Easily attach and detach from mask strap