New Threshold 500 Thread Count Tri-Ease Solid Sheet Set White Queen. Add a pop of refined pattern and distinctive texture to your restful haven with the 500-Thread-Count Tri-Ease Sheet Set from Threshold TM . This three-piece bedding sheet set includes a flat sheet, fitted sheet and two pillowcase, all decked out in a classic herringbone pattern in a gray, ivory, blush and white shade for understated yet elegant style. Made from a soft and breathable fabric with sateen weave that's smooth and soft, the sheets are sure to keep you warm and comfortable anytime of the year. We're committed to making products better for you, and the world.