Mouth breathing not only affects the rest of people around you, but can also lead to “adenoidal” appearance and induce oral diseases. This fully upgraded physical orthodontic band (keeping the mouth closed and breathing through the nose) naturally promotes the development of the dental arches and avoids facial disfigurement. The customized material, elasticity - not tight, mesh design - breathable and not stuffy, Velcro design - freely adjustable, it is very suitable for people with mouth breathing conditions.