This Slumberdown Anti Allergy Mattress 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. Our lovely and snuggly hollowfibre filling is soft and comfortable, and the luxury quilted Polyester is naturally breathable. With a fitted elastic straps, it fits securely onto your mattress, this anti allergy mattress protector a great choice to extend the life of your mattress to keep it fresh, clean, and free from allergens. Slumberdown Anti Allergy Mattress Protector in White Size: Single