This Martex Limited T200 Pillowcase, Standard XL size 42" x 36" with 2" hem, finished size 20"x30", white 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.