Drylife Waterproof Breathable Mattress Protector: Protect entire mattress keeping it clean and hygienic. Ideal for Asthma & allergy sufferers. Soft Cotton Terry Towelling Upper with 100% Waterproof Polyurethane Backing. Place directly over mattress before applying bottom sheet. Elasticated Skirt holds protector securely in place. Machine Wash & Tumble or Line Dry. A Drylife Mattress protector is an essential item. Stops the build up of odour, bacteria and dustmites. PVC free: Quicker drying, does not crack or tear. Soft polyurethance backing allows vapour to breathe through the protector for sleeping comfort. Suitable for use with Electric Blankets