The pillows in this Slumberdown Firm Support Side Sleeper Anti Allergy Pillow 2 pack are 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, theyre an ideal choice for allergy sufferers and all year-round use. The lovely and snuggly hollowfibre filling is soft and comfortable, and the luxury microfibre cover feels wonderful to sink into. Having a firm support level, this anti allergy pillow pair is a great choice for side sleepers, or for those who prefer a firmer, more deep pillow. Slumberdown 2 Pack Anti Allergy Firm Support Side Sleeper Pillows in White