Discreet protection and comfort with these cotton stretch terry mattress protectors with breathable waterproof backing and stretch skirt.Dust mite proof. Super machine washable at up to 95 degrees and non-iron.Face: 100% Cotton pile. Backing: breathable polyurethane. Skirt: polyester.Sizes:Single: 3'Small double: 4'Double: 4'6"King: 5' Waterproof Terry Fitted Mattress Protectors