YAROO Zippered Pillow Cases, Queen Pillowcase,100% Cotton,Solid,White (2-Pack) 100% Cotton 2 Queen Size Pillow Cases Set (20" x 30") Each Uptake sweat, porous, soft, anti-sensitive, easy to wash. EASY CARE - Machine wash on cold, tumble dry on low. These are machine washable, but are 100% cotton, so they may wrinkle just a bit. We do recommend washing before using for the first time. I recommend taking them out of the dyer just before they finish drying. 100% MONEY BACK GUARANTEE C If not completely satisfied, return with no-questions asked.