JC Penney Home Collection Heavyweight Flannel 100% Cotton Twin Flat Sheet. White color. Brand new in package. 100% heavyweight preshrunk cotton, deeper pockets guaranteed to fit matresses up to 15". Double brushed for extra softness and warmth. 1 flat sheet finished size 68" x 98", 1 fitted sheet fits mattress 39"x 75", 1 standard pillow case finished size 23" x 32", fits pillow 20" x 26".