Features:1. Help you from snoring and sleep apnea2. Fits for benign snoring, known as moths snoring3. To fore mouth closed when sleeping4. One size fit most Description:Item Type: Snoring Chin StrapMaterial: Diving ClothColor: Black Package Included:1 X Snoring Chin Strap Notes:1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight deviation for the measurement data.