Sunset Deluxe Chinstrap is the best choice for the money. High quality and cost less. CANNOT BE RETURNED IF OPENED/USED.

Wide, closed mouth chin strap The extra-wide chin strap helps keep the mouth closed at night while providing comfort and lift support to the chin, helping to prevent snoring. Ideal for use with CPAP machines, the strap attaches to itself at the top of the head, using two smaller support straps with velcro, to keep it in place. The extra-wide design distributes pressure to add comfort. Neoprene, 3" wide, 26" long.