Breathable, Ultra-Thin, Adjustable, Velcro, Washable, Unisex, Comfortable Sleep, Improves Sleep Quality, Sleep Aid (Black - 1 Piece) 【Fundamental Solutions for Snoring and Teeth Grinding】 Blocks mouth breathing and promotes nasal breathing. Reduces snoring by suppressing the vibration of the soft palate and prevents the tongue from falling back, ensuring an open airway. Also reduces the risk of tooth wear and temporomandibular joint pain caused by teeth grinding, supporting the fundamental resolution of sleep troubles. 【Comfortable Design That Doesn't Compress the Ears】 Ergonomic ear-free structure eliminates ear pain and discomfort during sleep. Strong Velcro prevents slippage and allows for repeated use. Ultra-soft Lycra fabric is gentle on the skin and highly breathable, providing comfort throughout the night. 【Easy Size Adjustment & Washable】 Adjustable Velcro design accommodates head circumferences of 57-70cm, fitting both men and women perfectly. Three-dimensional cut provides zero pressure. Hand washable and quick-drying, making it ideal for everyday use while maintaining cleanliness. 【Improves Sleep Quality and Morning Awakening】 Promotes deep sleep and prevents frequent awakenings, morning dry throat, and bad breath. Supports the elimination of daytime fatigue and reduced concentration. Allows you to use it with peace of mind in shared spaces without disturbing your family's sleep. 【Addresses Various Concerns】 For those concerned about snoring and teeth grinding, those suffering from throat pain and dry mouth due to mouth breathing, and those thinking about their partner's restful sleep. Lightweight and discreet design allows you to use it without hesitation even when traveling.