Kindly Reminder : This item has some smell because of the material,but it is safe. Please do not worry. It will disappear after wahsing with detergent and dry in the air. If you have any question , please feel free contact us first before open dispute.Thank you Description:It is made of 100% Lycra for your comfort. The strap at the top of the head allows for a one size fits all design. 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 PressureStrokeHeart Failure, Irregular Heartbeats, Heart AttackDiabetesMaterial: LycraColor: Pink or BlackPackage included: 1PC Snore Belt