This Martex Limited T220 Fitted Sheet, Cal. King at 72" x 84" x 10", is produced on sophisticated looms in a world class factory. It is 60% cotton for comfort 40% polyester for durability and its percale/plain weave fabric is designed for long lasting performance. Preshrunk finish for little to no-ironing. Machine wash and dry with less shrinkage. Replaces 1181250. White.