Aller Ease Hot Water Washable Allergy Protection Pillows offer comfort and support while protecting you from allergens, ensuring a more restful night of sleep. The tightly woven soft shell keeps household allergens like dust, pollen, and pet dander out of the pillow while its ability to be washed in hot water kills germs, bacteria, and E. coli for maximum protection. With each wash, the down alternative fiber fill refluffs to its original shape, making the pillow look and feel like new.