Made from cotton with 400 thread count for smooth and soft comfort.Sateen weave is smooth and soft which is best for everyday use.Wrinkle-resistant, Low pill, Shrink resistant, Fade-resistant,High sheen fabric and durable for all season use.Zero formaldehyde used while manufacturing.4" classic Z hemstitch on flat sheets and pillowcases.True Grip Patented fit technology to stay in place and fits mattresses up to 18".STANDARD 100 by OEKO-TEX® certified.U.S. buyer pays $15.00 shipping!