Hand or machine wash in cold water with a light detergent is recommended. BED SHEET SET Queen size 4-piece bed sheets set comprising of 1 flat sheet measuring 90 by 102 inches with a 2 inches self-hem, 1 fitted sheet measuring 60 by 80 inches with a 15 inches box and 2 pillowcases measuring 20 by 30 inches each with a 4 inches hem.