The U.S. Divers Admiral LX Diving Mask and Island Dry Snorkel Combo Set includes the 2-window Admiral diving mask with expanded top-to-bottom viewing with the 100% submersible dry top Island snorkel. The Island Dry snorkel has a hypoallergenic silicone mouthpiece as well as a full-flex section and one way purge valve to keep the snorkel clear.