This is the IST Non-Purge Foldable Silicone Snorkel with Stout Snorkel Keeper Features: Non-purge foldable snorkel with a stout snorkel holder. The silicone mouthpiece provides significant comfort which can decrease the level of jaw fatigue. Foldable function can let the snorkel easily to be stored in BC pocket while equipped. Color: All Black Folds up to fit perfectly in your BC pocket when not in use.