About This OUR PILLOWCASE SET HAS RECEIVED THE GOOD HOUSEKEEPING SEAL - Luxury 2 King Pillowcases (21"W x 40"L): Simple open-end design (4u201D hem) with slip-on convenience - no zippers or flaps. This Mist Grey shade is a true, balanced mid-tone gray u2013 it is not too warm or too cool, & not overly dark or pale. These k