Product Description: Made from very high-quality Polyethylene  -It allows the correct position to open the airway and define the sternum - Size (Length * Width * Height) (41cm * 60.5 * 5) CPR board have great help with first-aid and training, enables the patient throughout the rescue process, and always keeps the airway open in the correct location, better for a patient with cervical spine injuries. In the CPR process to avoid the airway open position to take the rise of the secondary damage caused by the cervical spine.