Tightley packed yarns for durability.Luxury percale plain dyed. Easy care finish7 year guarantee50% Combed Cotton / 50% Polyester51cm x 76cm  (1 Pillowcase Pack)GreyMachine Washable at 40 degrees. Minimum iron. Wash before use,wash dark colours separately,do not bleach. Use a colour safe detergent.Under normal conditions of domestic use, this fabric is guaranteed for 7 years. This and all Belledorm products are good quality, sensibly priced and, of course, responsibly sourced.