Why we love this..Removable cover is made of soft, brushed 100% cotton. 600 fill power; hypoallergenic white down feather fill. Soft support - less loft to prevent forcing the head upward. Ideal for all sleeping positions. Filled with 600 fill duck down. 300 thread count. 100% cotton cover. Machine wash removable cover; dry clean pillow insert. Hypoallergenic components. Certified STANDARD 100 by OEKO-TEX. Responsible Down Standard. Standard/Queen pillow measures 28" L x 20" W. King pillow measures 36" L x 20" W. Fill power: 600. Filled and finished in USA; Imported shell. Each Nestwell White Down Soft Support Bed Pillow is sold separately.