Aller-Ease Hot Water Washable Allergy Pillow, King, Medium 65% Polyester/35% Cotton Imported Allergy proof fabric prevents dust mites, allergens, pet dander and pollen from collecting in the pillow Hot water washable to kill germs and bacteria that collect in your pillow Fiber fill refluffs with every wash, making the pillow look and feel brand new Hypoallergenic fiber fill Backed by the Good Housekeeping Seal of Approval