Arena center snorkel - Swim III - GreenA great snorkel for competitive swimmers used for training This green snorkel from arena is made for training. It is mostly used by competitive swimmers who train with a snorkel. It can be used by both girls and boys. The snorkel has a one way vent valve that prevents water from entering when you breathe in. The snorkel has a very soft silicone mouthpiece which makes it very comfortable. The swivel head makes it easy to breathe and easy to talk to the