100% Egyptian Cotton 300 Thread Count ?C Hypoallergenic, Long Staple Yarns Woven is a Sateen Weave Make These Sheets Incredibly Soft and LuxuriousTWIN XL SIZE FITTED SHEET – GRAY – 39×80 with 13 pocket. Perfect for College Dorm mattresses. Elastic all around (not just the corners, like other sheets). Fits mattresses up to 11??-15??. Qty 1DETAILS MATTER – All around elastic makes sheet tight fitting. Perfect construction and double stitching adds durability. 100% combed cotton yarns give the fabric breathability and softness. These cannot be sold cheaper without sacrificing on the qualityBIO-POLISHED AND MERCERIZED ?C Proprietary finishing to make these sheets incredibly soft with wrinkle control and are pre-shrunk100% MONEY BACK GUARANTEE – If not completely satisfied, you can return any defective product hassle-free.MATCHING FLAT SHEETS AND PILLOWCASES ?C Click on the ??Sold by American Pillowcase?? link above to find matching flat sheets and pillowcases and see entire range of bedding and bath products. If it does not say Sold by American Pillowcase, the sheet you get will be poor quality knock-offs. Do not buy these.