Marine type strong plywood material is completely X-Ray permeable. Soft plastic band around the circumference protects the backboard against crashes. Protective paint and polish isolated surface can be easily cleaned with disinfectants and detergents. There are total 16 large handles, 6 on each side and 2 on each end. There are total 10 grips with pins for fastening belts, 5 on each side. Can be used with Attucho and most other head immobilizers. Supplied together with 3 speed clip fastening belts with locked plastic buckles.