Set includes 1 flat sheet, 1 fitted sheet, and 2 pillowcases for a complete sheet set 400TC offers the ideal density for balanced softness and structure. Sateen weave provides a smooth, cool, and breathable feel against the skin 16" deep-pocket fitted sheet stays snug on most mattresses without slipping 1/4" piping and fine stitching on flat sheet and pillowcases add a crisp, tailored finish. Pillowcase with side opening for effortless daily care and replacement. Certified 100% Egyptian cotton with verified origin from the Nile River Valley. Machine wash cold with like color; do not bleach; tumble dry low; warm iron. (see sewn-in label for care instructions)