CHIN STRAP FOR SLEEPING - Keeps your mouth closed while sleeping. Promotes nasal breething to prevent snoring and dry mouth. Better sleep means better mornings: rested, alert and ready for the new day. ANTI SNORE SOLUTION - SNORE NO MORE – One of the best anti snoring devices - best snoring solution chin strap for CPAP users and non-CPAP users. With your mouth closed while sleeping, airways will open for nasal breathing. It's the surest way to stop snoring, teeth grinding and dry mouth. Adjustable anti snore chin strap: adjustable to personalize the fit you need for maximize effectiveness. LARGE / EXTRA-LARGE SIZE AND ADJUSTABLE - Velcro allows easy sizing and maximum comfort. Fits most buyers but can be easily returned. Lightweight and breathable. Fits with or without CPAP device. Our stop snoring chin strap features adjustable Velcro straps that allow you to customize the tension and ensure a secure and comfortable fit. GREAT FIT AND COMFORT - Material is soft and breathable - not hot and itchy. Velco holds the strap together for a secure and comfortable fit. SATISFACTION GUARANTEED - If you are not completely satisfied, just return it to Amazon - no hassle. You CAN stop snoring: Atavyst Ruby Chin Strap is a fast and effective device to help make that happen. No more disturbing you partner's rest. No more waking yourself up. Awaken every morning rested and ready for a great new day. Size is Extra Large - XL - But adjustable to fit with Velco tabs to control the size. Velco keeps the strap snugly in place. Color is ruby red.