This Slumberdown Anti Allergy Pillow Protector is specifically made with an anti allergy filling to help reduce the build-up of dust mites, bacteria and fungus. Tested and approved by leading experts at Allergy UK, it's an ideal choice for allergy sufferers and all year-round use. The lovely and snuggly hollowfibre filling is soft and comfortable, and the luxury Polyester quilted cover is naturally breathable. With an envelope closure, it's easy to put on to any standard size pillow, making this Anti allergy pillow protector from Slumberdown a great choice to extend the life of your pillows and keep them fresh, clean, and free from allergens.