Front is made from 100% linen, reverses to 52% linen and 48% cotton. Zipper closure. Accommodates 22" 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. OEKO-TEX® STANDARD 100: tested for 1000+ harmful substances. 14.HUS.42449 HOHENSTEIN HTTI. Imported. CARE Machine wash in warm water; gentle cycle. Only non-chlorine bleach when needed. Tumble dry on low heat; remove promptly. Warm iron as needed. DIMENSIONS Overall: 22" sq