Our 300 Thread Count Flat Sheets are made of a soft cotton material with an elegant sateen stripe. We offer you the opportunity to assemble your own sheet set. This allows you to Mix n' Match sizes when necessary, and you can also order additional Pillowcases or anything you may need without having purchase complete sets. To ensure the best night sleep available, 300 thread count cotton fabric will pamper your body all night long. For a restful sleep in a bed you adore, pick up this sheet for yourself.