Offering rentals and sales of the aria snorkel mask explore the amazing underworld of kauai with the newest snorkeling sensation arias full face design allows you to breathe through your mouth and nose without a mouthpiece to bite down on more comfort better visibility no leaking and zero foggingthe dry top snorkel system prevents water from entering the mask when diving below the surface so there is not a need to purge the mask when resurfacing there is also a one way valve in the