Made out of high-quality, durable polyethylene. Removable interior hypoallergenic lining (foam), self-grip with velcro. Breathable and anti-sweat (washable). Applied with self-adhesive adjustable straps with plastic fasteners. Features a built-in forehead strap for immobilization of the head. The front mandible support system, as well as the rear one for the occipital bone, are both adjustable with a choice of positions. The mandible support can be easily removed, making it easier for the patient to eat. The brace can also be worn in the supine position. CT and MRI compatible.