The Construction Twin Sheet Set includes a flat sheet, fitted sheet and pillow case. The fitted sheet is made to fit a standard size 39" x 75" twin mattress. The top sheet measures 66" x 96" and the pillow case measures 20" x 30" and fits a standard size pillow. They are made of 100% cotton. Care instructions: machine wash cold with like colors, do NOT bleach, tumble dry low.