It consists of a strap that wraps around the chin. The anti snoring chin strap slings over the face and is held together in the back. It holds the jaw in a forward position and keeps the mouth firmly closed. This prevents the tongue and throat tissues from falling back and blocking the human airway. It also encourages one to breath through the nose, as a result snoring will come to an end.This stop snoring chin strap is made with a very soft fabric, designed to be comfortable