Nice purchasing experience starts from here! Please do not hesitate to contact us freely if any problem. Thanks! Package includes: 1 x Stop Snoring Belt Multicolor = Random color Features: It is made of 100% Neoprene for your comfort. The velcro strap at the top of the head allows for a one size fits all design. Please see the image above for an explanation of how this Chin Strap works. For many, proper jaw support during sleep will allow for a pleasant nights sleep! The SNORE BELT works for people that snore with their mouth open. It provides help with Snoring, Sleep Apnea, Teeth Grinding, Bruxism & TMJ Pain by properly positioning your jaw. Some Common Effects of Sleep Apnea if left Untreated: High Blood Pressure Stroke Heart Failure, Irregular Heartbeats, Heart Attack Diabetes Depression To Clean: Hand Wash with detergent and warm water Specifications: Material: Neoprene Color: more Width: About 8cm Length: About 54-68cm(Adjustable) Net Weight: 45g