EZ Dreams King Size Zippered Pillow Protector: Quick Dry, Stay Cool, Microfiber (2) EZ Dreams Quick Dry, Stay Cool Pillow Protector King Size: 20in x 36in Extra Soft and Smooth Microfiber Discreet and Durable Zippered Closure Material: 100% Microfiber. Care: Machine Washable; Tumble Dry