MARTEX MILLENNIUM 250 Blend Sheet, 60% Cotton/40% Polyester in Fresh White, our cleanest fresh looking white. King Flat cut size 111 X 115 finished size 108X109″ with 2×2″ hem. Lock-stitched hems to prevent unraveling and fraying. Gold colored hem thread indicates size. The cotton rich blended fabric is a durable plain weave construction. Product is GSA compliant and Oeko-Tek certified.”