TRIBECA LIVING 500 Thread Count Extra Deep Pocket 6-Piece Egyptian Cotton Sheet Set White Queen White Egyptian Cotton 100% Egyptian Cotton. 500 Thread Count Deep Pocket Sheets. TRIBECA LIVING is a registered trademark of Marwah Corporation Sateen weave which gives soft, lustrious and smooth to the touch. Fitted sheets are extra deep with 19" pocket and fit mattresses up to 23" deep. Available in King, Queen and Cal King sizes. Imported. Machine Washable.