2pcs Soft Silicone Scuba Diving Snorkel Regulator Bite Valve Mouthpiece Bumpers & Rubbing Strips Made of PE material

Made of PE material

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2pcs Soft Silicone Scuba Diving Snorkel Regulator Bite Valve Mouthpiece Bumpers & Rubbing Strips Made of PE materialITEM NAME: 2pcs Soft Silicone Scuba Diving Snorkel Regulator Bite Valve Mouthpiece img *{margin: 0; padding: 0;. 2 Pieces Scuba Diving Mouthpiece. Just dip the mouthpiece in hot water using the supplied "handle, then briefly cool and place into your mouth in the proper orientation. Bite down softly for a perfect fit of your bite pattern.