Brielle 100-Percent Cotton Flannel Pillow Case Set, Standard, Charcoal 100% Cotton Imported 100% cotton flannel; single-ply yarns; imported Standard pillow case set includes 2 pillow cases 20-By-30 inch standard pillow cases 4-Inch hem on pillow cases Machine wash cold, gentle cycle, tumble dry low, do not completely dry and remove immediately to avoid wrinkles