1993 Corvette Pillowcases Custom Pillow Case Cushion Cover 18 X 18 Inch Two Sides Standard Size Zippered Quilted Bed Pillow Protectors Each Pillow Protector Measures Product Is 18" X 18" Face Fabric Is Cotton And Polyester Blend The Backing And Fiberfill Is 100% Polyester Recover And Protect Your Pillows Add To Your Sleeping Comfort Machine Washable Material Type: 50% Cotton, 50% Polyester