Anti Snore Apnea Jaw Strap Belt for Good Sleep -Material: Durable 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! - We specialize in Electronics, Computer, Cell Phone Accessories, Professional Signal Conversion Devices, Adapter & Cables Pickup Location: "Cable Link" Tel: 613-680-6188