This Martex T220 Deep Pocket Bed Sheet, 1 cm Stripe, Cal King, 72" x 84 " x 14" 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.