Royal Tradition Twin-Extra-Long White Cotton-Poly-Blend Wrinkle-Free Sheets 650-Thread-Count Sheet Set Cotton Imported Cotton Blend Wrinkle Free Sheets 70 percent cotton 30 Percent Polyester Twin-XL set includes flat sheet 70X102", fitted sheet 39X80" and fits up to 18" mattress, and 1 Standard pillowcases 20X30" 100% Luxury and Silky Soft Sheets . Sateen Weave, Single ply . Fits mattresses up to 15-18" deep Pocket with elastic all around the fitted sheet Machine wash in cold water with similar colors. Warm iron when necessary. Tumble dry low. Do not bleach