This is the Silicone Mouthpiece w/ Color Tab Replacement Scuba Regulator Comfort Fit Mouth Piece Features: Comes in a variety of colors for easy identification or personalization Durable Silicone Rubber Fit Most Any Regulator and Snorkels Soft and Comfortable Feel Great Save-A-Dive Kit Item An essential spare item, don&';t let a bad mouthpiece be the cause of a leaking regulator, a great item to always have on hand.