100% cotton jersy knit fabric never needs ironing. Unique two-way stretch keeps sheets and pillowcase smooth and wrinkle-free. Bottom sheet has patented "Envelope Design" which wraps deeply around the mattress - corners will not slip off. Semi-fitted top sheet features "Foot-East" fold at the end for extra foot room and reduced pressure on heels. Fits hospital bed mattress up to 36in x 80in x 8in. Standard size pillowcase. Machine wash and dry, bleachable. Open cell construction thermal blanket is preshrunk for long term service and breathable for warmth and comfort.