Sahara Nights Flat Bed Sheet - Hotel & Resort Luxury Bed Linen with Premium Cotton & Poly Blend 250 Thread Count King Flat Sheet 60% cotton A classic look with a crisp, comfortable feel in a 250 thread count 60% cotton/40% polyester yarns provides increased durability Unique anti "wear & tear" weave construction guarantees longer fabric life Machine Washable Trusted by Luxury Hotels around the world.