Lauren Ralph Lauren (2) King Dunham Pillowcases 100% Cotton - Mist (Gray Blue) Two king size pillowcases, finished size 21 inches by 40 inches (53 cm by 102 cm). 100% cotton sateen Thread count 300 Care Instructions: Machine wash cold. Wash with similar colors. Do not bleach colors or prints. Tumble dry on low temperature setting. Remove promptly. Warm iron as needed. Wash before use. Matching sheet sets avaliable