This set from U.S. Divers contains a Na Pali LX mask & a Seabreeze snorkel which are comfortable to wear so you can maximise your time exploring underwater. The mask is a one-size-fits-most adult choice with Pro-Glide buckles that make for easy adjusting. The Seabreeze snorkel is comfortable in your mouth & is designed to stop water from entering the snorkel barrel.