Our luxury organic cotton sheets are made from so many of our wonderful organic fabrics. GOTS Certfied. Featuring 17" pocket for thick mattresses (if your mattress is 8" or less, please let us know and we can make them the right depth. Ours feature fully covered natural cotton/latex elastic on our fitted sheets. These are Made in USA, not in Pakistan like the cheaper competitors have. If you need a special size, let us know. Luxury Stripes are a super fine silky soft sateen, so is our solid white. Natural Sateen is 500 thread count and a bit heavier than the silky soft sateens. Natural Flannel is a 165 GSM nice flannel Twin Sets come with 1 Envelope Style pillowcase (features back opening to completely cover pillow. Queen, King come with set of 2 Envelope Style Pillowcases. If you need a pillowcase that is not the same as the set (like a standard pillowcae with a queen set), just put in notes and we can do that for you.