Sesame Street - 3pc Bed Sheet Set - Twin Size Pattern: Sesame Street Elmo. Genuine licensed merchandise. Machine washable. One twin flat bed sheet, finished size 66 x 96 inches (168 x 244 cm). One twin fitted sheet, which both fit a standard twin mattress of 39 x 75 inches (99 x 191 cm). One standard Pillowcase, finished size 20 x 30 inches (51 x 76 cm) to fit 20 x 26 inches (51 x 66 cm) pillow.