Features: Comfortable Soft Touch Neoprene Material The Jaw Strap has been clinically proven to prevent snoring and increase REM sleep in patients. Providing you better overall health and the best night sleep in years. Provide the most comfortable and effective anti snore device on the market. Specifications: Material: Neoprene and Latex Free Colour: Blue + Black Cleaning: Hand wash with detergent and warm water Function: Works for people that snore with their mouth open. It provides help with Snoring, Sleep Apnea, Teeth Grinding, Bruxism & TMJ (Jaw dislocation), Jaw Tremor (Psychotic) Pain by properly positioning your jaw.