Features:<br />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! <br />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.<br />Some Common Effects of Sleep Apnea if left Untreated:<br />High Blood Pressure <br />Stroke<br />Heart Failure、 Irregular Heartbeats、 Heart Attack <br />Diabetes <br />Depression<br /><br />To Clean: Hand Wash with detergent and warm water<br /><br />Specifications:<br />Material: Neoprene<br />Color: Blue<br />Width: About 8cm<br />Length: About 54-68cm(Adjustable)<br /><br />Package includes: <br />1 x Stop Snoring Belt