Features: Its design provides a comfortable fit without adding excessive pressure to the face or jaw. Made from Nylon, light weight and breathable. This ensures maximums comfort during sleep and prevents any feelings of discomfort. It works by keeping your mouth closed, allowing you to breathing properly through your nose. By preventing open mouth snoring, it promotes healthier breathing patterns during sleep. It is designed to reduce and eliminate the bothersome snoring noise that disrupts your sleep and that of your family, allowing everyone to enjoy a peaceful and restful night sleep. Its design fits most head sizes comfortably, providing a customized fit for maximums effectiveness and comfort. Specifications: Component: Nylon Size: As shown in the picture Package Includes: 1pc Snoring Chin Strap note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.