This yarn-dyed jacquard is 100% Egyptian cotton 467 threads per inch. The flat sheets are hemmed on all four sides with mitered corners and a generous turn back. Fitted sheets have a pocket with an extra 3" to tuck under, and elastic all around. Pillow cases have a button closure. Pillow shams are flanged, with a back envelope button closure. Bedskirts are gathered and are adjustable up to a 19" drop.