Mouthpiece Moldable 

Moldable Diving Mouthpiece Scuba Diving Mouthpiece Moldable Snorkel Mouthpiece for Underwater Scuba Diving, Yellow

• Special design mouthpiece to reduce jaw fatigue and increases comfort. Can be easy and repeatedly to shape.
• Suitable for adults. It can be applied for deep-diving, free diving equipment, fits most standard regulators.
• Just dip the mouthpiece in hot water, then briefly cool and place into your mouth in the proper orientation. Bite down softly for a good fit of your bite pattern.
• If there are a little loose, you can use the given tie belt to tie, prevent water leakage.
• This mouthpiece can hang in your mouth without biting down the mouthpiece tabs that you do not have to use your muscle too much.