The original head vise I is made from heavy duty, impervious corrugated plastic and is completely waterproof. The original head vise I can be written on for easy identification, is X-ray translucent, easy to disinfect for reuse and stores flat to fit in compact spaces. It quickly adheres to backboard with easy to use highly visible red pull tabs and won't leave residue behind after removal. The rugged exterior is lined with a comfortable foam pad for patient comfort. The original head vise I fits virtually all patients and has an adjustable feature to fit both children and adults as well as compatible with patients wearing helmets. Also available with all weather disposable head and chin strap.