Super soft high grade hypo-allergenic silicone SCUBA Diving Regulator second stage ‘Comfo-Bite’ style mouth-piece, ergonomically designed for extreme comfort. Perfectly fits most dive regulators & snorkels with separate mouthpieces and replaces an old, damaged or life expired mouthpiece in minutes. Supplied complete with a convenient tie wrap fastener for immediate use, this type of mouthpiece is also known as comfort bite.