Egyptian cotton is famous for its soft, luxurious hand and elegant luster. Our 600 thread count sateen sheets are made with 100% Egyptian cotton. sateen weave single ply 600 thread countmade with 80s and 100s yarns (yarn size) mercerized 100% Egyptian cotton fits up to an 18 inch deep pocket machine washablemade by Echelon HomeEach sheet set comes with pillowcases, a flat sheet and a fitted sheet. Twin sets come with one standard pillowcase. Full and queen sets come with two standard pillowcases. King and Cal King sets come with two king pillowcases.