sheetsnthings Solid 550 Thread Count, 100-Percent Cotton, Twin Extra Long (XL) Size Sheet Set (Sage 3PC Bed Sheets) 100% Cotton MATERIAL: 100% Cotton, 550 Thread Count Per Square Inch, Sateen Weave 3-Piece Twin XL Size Sheet Set Includes: ONE Flat Sheet 70 inches wide X 102 inches long, ONE Fitted Sheet 39 inches wide X 80 inches long and ONE Pillowcase 20 inches wide X 30 inches long Flats and pillowcases made with 4 Inches Hemming & Piping 15 inch deep pockets to fit up to 18 inch deep mattresses, fully Elasticized deep pocket fitted sheet for a proper yet secure fit WASHING INSTRUCTIONS: Mashine wash in Cold Water only. Delicate Cycle with mild detergent. No bleach, Dry with Low Setting. To avoid wrinkles, we highly recommend to put your sheets on your bed right after pulling them out from your dryer