DreamHome Satin Pillow Case with Zipper, 2 Pillow Cases (King, White) Go to amazon.com Related posts Top 10 best pillow cases zipper king for 2024 FeatureZipper Closure100% PolyesterMultiple Colors AvailableMachine Wash/DryAvailable in Standard (21" x 27"), Queen (21" x 31"), and King (21" x 37") DescriptionDreamHome Satin Pillowcases help protect and keep your hair silky smooth while you sleep. Constructed of soft, sensuous satin.