These Warm Air blankets are made of a silky polyester fabric with an inlay of nylon water proof material to keep the airflow circulating upward towards the patient. Large: 48" x 24".
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.