The Sure-Chek fabric is an industry standard in hospitals and clinics to help maintain sterile environments. The Jeanie Rub Sure-Chek Covers provide a protective barrier between skin and the massager, and helps prevent the transfer of germs from one client to another. Covers fit snugly over the vinyl pad of the Jeanie Rub Variable Speed Massager and protects it from wear. Machine washable on gentle cycle and drip dry. Sold in packages of three