Do you chew on your snorkel mouthpiece? If you do, not to worry: the Ultra-Dry 2 has a 100% liquid silicone rubber mouthpiece which can be easily replaced. It is also extremely comfortable for hours of snorkeling fun. Water drains quickly and easily through the one-way purge valve below its mouthpiece and the dual exhaust valves on the bottom. Best of all, water is eliminated with very little effort by the user. Great fresh colors and look with same quality features and function Remains practically desert-dry even at depth Patented Dry Snorkel Technology: Eliminates water from entering barrel Allows easy airflow and comfortable breathing Ergonomic design, reduces resistance and drag Drop-away corrugated section Corrugated section feature: reduces jaw strain when snorkeling Replaceable 100% liquid silicone rubber mouthpiece Extremely comfortable for hours of snorkeling fun One-way purge valve w/dual exhaust valves Quick-Lock" clip to attach/detach