Neoprene Anti Snore Stop Snoring Chin Strap Belt Anti Apnea Jaw Solution Sleep. Features: 1. Simple to Use: Sling the One-piece Strap over Your Face and Around Your Chin and Adjust the Size to Your Liking. 2. Instantly Stops Snoring: Your Jaw is Held Firmly in Place with the Velcro Straps. 3. Perfect Positioning: Ideal Jaw Positioning Combined with a Closed Mouth Effectively Prevents the Tongue and Throat Tissues from Falling Back and Blocking the Airway. 4. Sleep Comfort: The End Result is a Quieter, Snore Free Night. No More Waking Up with a Dry Mouth and Throat. 5. Comfortable: The Soft Fabric Will Ensure Your Face Doesn't Get Irritated Resulting in a Great Night's Sleep. Specification: Type: Anti Snore Chin Strap . Work Mode: Auto . Material: Neoprene . Pressure Range: 4-20 CmH2O .