TRIBECA LIVING Supima Cotton 700 Thread Count 21" Deep Pocket Sheet Set Cal King Ruby Red Cotton This extra deep pocket sheet set includes one flat sheet, one fitted sheet and two pillow cases. Supima Cotton Sateen. Woven of 100% Supima cotton with long-staple pima fibers for an extraordinarily soft, smooth touch. 700 Thread Count. Pleated hem treatment for an elegant and luxury look. Oversized flat sheet and extra deep pocket sheet to fit mattress up tp 21" deep. Care Instruction: Machine Wash Cold, Tumble Dry Low