Keeping patients warm during surgery and recovery has always been a challenge. Electric pads have a risk of overheating circulating water blankets are easily damaged. Our new warm air blankets are a safe economical solution to this problem. They are made of a silky polyester fabric with an inlay of nylon water proof material to keep the airflow circulating upward towards the patient. These blankets are machine washable (hang to dry) therefore much more economical than other air blankets on the market which are disposable. There is a 5' diameter round opening with a nylon cord to secure the blanket to any of the major brands of warm air convection units. 36"L x 24"W.