Crystal Clear silicone Diving Regulator or Snorkel mouthpiece manufactured from the highest grade hypo-allergenic silicone for private use. Comfo Bite ergonomic design provides extreme comfort during use for diving or snorkelling. Fits most regulator 2nd stages & snorkels with separate mouthpieces, supplied with a convenient tie wrap fastener included for immediate use. Replaces existing worn out or damaged mouthpieces and quickly and cheaply makes a regulator or snorkel look like brand new again. Crystal Clear Silicone colour.