These Waterproof Pillow Protectors, supplied as a triple pack, have been uniquely designed to protect pillows from spills and accidents, they are hypo-allergenic ensuring that they are suitable for use by those users with allergies.Whilst providing a natural look and feel these Pillow Protectors are impermeable to dust mites and are ideal protectors for both asthma and allergy sufferers. To provide maximum hygiene these Waterproof Pillow Protectors are made from polypropylene they are also machine washable and require no ironing.