PureCares Cooling Down Complete pillows are a hybrid of technical textiles and premium fills, fusing cleanliness with cooling comfort. The Cooling Down Complete pillow features a down proof inner lining that locks the ultra-fresh treated down and feathers in place for consistent comfort and proper support. Machine washable, each cover is treated with antimicrobial silver chloride that inhibits bacteria, mold, and mildew that cause deterioration, stains, and odors on this product.