?Dry Top No Leaking Snorkel tube Set?Soft mask skirt creates great seal and provides perfect amount of suction to stay sealed on your face. Once you figure out how to put the snorkel on, that will help more on the water leak under the nose. Dry top snorkel installs a floating ball in the top to keep water from inflowing when the tube immersed in water. The mouthpiece works well too with a nice valve to allow any water to flow out.