Made Of 100% Cotton - A Natural And Durable Material That Becomes Softer With Every Wash. Cotton Is A Soft, Natural Material That Breathes, Absorbs Moisture And Feels Comfortable Against Your Skin. The Tight Percale Weave Makes The Fabric Very Durable And Resistant To Pilling. It Has A Matte Surface And Is Wonderfully Crisp, Soft And Cool To Sleep In. The Buttons Keep The Duvet In Place. Pillowcase With Envelope Closure.