CONSTRUCTION Made from 100% polyester, reverses to 88% cotton and 12% flax. Zipper closure. Accommodates 24" square insert. By choosing our cotton products, you’re supporting our investment in Better Cotton’s mission. This product is sourced via mass balance and therefore may not contain Better Cotton. Learn more at bettercotton.org/massbalance. Imported. CARE Spot clean with a damp cloth. Blot to remove excess water. Air dry. DIMENSIONS Overall: 24" sq