Stretcher Cover Single Use Antibacterial, Allergy and Sweating. The Preferred Stretcher Mattress for Family Health Centers is disposable. There is 1 piece in the package. Disposable Nonwoven PP SMS Bed Cover Sheet for Stretchers Material PP, SMS,SF MICROPROUS style 1.None elastic , flat 2.Elastic at two corner 3.Elastic at four corner 4.Full elastic size 80*180+15CM, Or customerlized size