Tightley packed yarns for durability. Luxury percale plain dyed.  Easy care finish 7 year guarantee 50% Combed Cotton / 50% Polyester 51cm x 76cm  (1 Pillowcase Pack) Grey Machine 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.