Front panel is made of 100% linen. Back panel is made of 52% linen and 48% cotton. Reverses to solid. Zipper closure; insert sold separately. Accommodates a 22" square insert. Imported. Machine wash cold ; gentle cycle. Use only non-chlorine bleach when needed. Tumble dry low. Warm iron if needed. Overall: 22" sq Zipper: 21" l