The Multi-Grip was designed by a fire-fighter in 1989. Today this effective CID is used across the country as well as in Canada. It comes in three sizes: adult head immobilizer, child head immobilizer and infant / pediatric head immobilizer. Here is a complete system for your head immobilization needs. Its design makes it a universal head immobilizer. Each unit includes head and chin straps and is individually packaged in thermo-sealed film. KEY BENEFITS: