Hefel 18236SU Pure Wool Spann Mattress Pad, California King 100% Pure New Wool Fill Imported 100% cotton sateen stiched shell filled with 100% HEFEL pure new wool fluffy gauzy layers Cotton jersey fitted skirt Imported from Austria Pure new wool is obtained exclusively from French free-range Merino sheep offering the finest quality strongly curled wool. Only the fineness of wool shorn from the shoulders, necks and throats of the sheep meets the quality standard demanded by HEFEL for Pure Wool. Cold water wash; air dry