This is the ScubaPro Trinidad Adult Snorkel for Scuba Diving and Snorkeling Features: A splashguard on top minimizes water entry. Purge valve quickly and effortlessly dispels any water that manages to get inside. Lower flex section conveniently drops away from the mouth when not needed. Quick-connect clip makes it easy to attach to a mask strap. An easy-breathing snorkel like the TRINIDAD equals a much more comfortable and enjoyable time spent in the water by delivering loads of unrestricted airflow and a comfortable mouthpiece.