TRIBECA LIVING 500 Thread Count Extra Deep Pocket 6-Piece Egyptian Cotton Sheet Set White Cal King White Egyptian Cotton Imported 100% Egyptian Cotton. 500 Thread Count Deep Pocket Sheets. Sateen weave which gives soft, lustrious and smooth to the touch. Fitted sheets are extra deep and fit mattresses up to 23" deep. TRIBECA LIVING is a registered trademark of Marwah Corporation Available in King, Queen and Cal King sizes. Imported. Machine Washable.