This is the Deep See Flexstream Snorkel with Replaceable Silicone Mouthpiece Features: Soft silicone mouthpieces are replaceable Substantial bite tabs Flex style snorkel drops out of the way Clip style snorkel keeper for convenient mask strap attachment Non-purge style Designed to fit adults This basic J-style snorkel with a flex hose, mask strap keeper, and substantial bite tabs is perfect for snorkeling.