King Size Flat Sheet - 1800 Series Soft Egyptian Quality Microfiber - (King/California King, White Solid) 100% Polyester Microfiber KING/CALIFORNIA KING SIZE FLAT SHEET - WHITE SOLID - 110"x106" with 4" hem. Oversized king flat sheet which fits king and California king mattresses. Qty 1 NEW AND IMPROVED - Upgraded Polyester, better weaving, softer finish, and deeper pocket depth. Buy only if the listing says "Sold by The Great American Store" HIGH QUALITY CONSTRUCTION - Made of 100% brushed microfiber spun into compact yarns and woven into a fine, lightweight, comfortable 1800 series fabric PRE-SHRUNK AND EASY CARE - Machine wash on cold. Tumble dry on low. Do not use bleach or use softeners