Our immobilizers feature side blocks with wide fast-stick closures for a snug fit and up to 50% more support surface. Immobilizer has large circular ear holes to monitor bleeding and fluid drainage. Also comes with 2 head/chin straps and a base plate that adheres easily to the board. The immobilizer has no metal components and can be worn during x-rays, MRI and CT scan procedures. ItÂ’s waterproof and buoyant so it can be used for water rescues. Can easily be cleaned and disinfected for reuse.