Hand knitted of 100% Linen and stonewashed for a rustic texture. Reverses to 52% Linen and 48% Cotton. Zipper closure. Accommodates a 22" square insert; sold separately. STANDARD 100 by OEKO-TEX® Certified: tested for 350+ harmful substances to keep you and your family safe from chemicals common to textile manufacturing. Imported. Machine wash in warm water on a gentle cycle. Tumble dry on low, warm iron as needed. Overall: 22" sq Zipper: 20" l