One twin size comforter 63 x 86 in. (160 cm x 218 cm). One twin flat bed sheet, finished size 66 x 96 inches (168 x 244 cm). One twin fitted sheet. Both of the above sheets fit a standard twin mattress of 39 x 75 inches. One standard Pillowcase (the white one in the picture), finished size 20 x 30 inches (51 x 76 cm).