Pacific Linens Pillowcases White 12 Pack 200 Thread Count Percale Fabric Hotel Linen Size (King) Cotton 60% Polyester 40% Imported Nicely Crafted product for Pacific Linens brand 60% Cotton 40% Polyester for a durable longer lasting finish Commercial grade product suitable for Hotels and Medical facilities Great results for the home use, comes out nice and clean after every wash Buyer Beware of the Fake Product Sellers. You can save a dollar "may be" by buying from the fake product sellers. You have been warned here.