Tribeca Living Egyptian Cotton Sateen 600 Thread Count 25" Deep Pocket 6-Piece Sheet Set Queen Ivory This extra deep pocket sheet set includes one oversized flat sheet, one extra deep fitted sheet and FOUR pillow cases. Egyptian Cotton Sateen. 600 Thread Count. Oversized flat sheet and extra deep pocket sheet to fit mattress up tp 25" deep. Care Instruction: Machine Wash Cold, Tumble Dry Low.