• Made with a stretchy, breathable, and soft-touch fabric, this strap is washable and can be worn all night without causing skin irritation. • The lower strap holds the chin to keep the mouth closed while sleeping, promoting nasal breathing and helping to reduce snoring, thus improving sleep quality for you and your family. • The velcro design allows you to fully adjust the strap size according to the circumference of your head, ensuring a perfect fit. It is recommended to wash with water after a period of use. • Easy to use: simply place it under the chin and adjust it comfortably on top of the head and around the ears. It does not cause itching or skin irritation, and prevents dryness in the mouth and throat. • A perfect gift for family and friends who struggle with snoring, helping them improve sleep quality and sleep better.