EXO 30"X36" Extra Large Flax Linen Baker's Couche Proofing Cloth - Folded Made from professional weight imported French flax linen Edges are seamed, so you don't need to worry about fraying. Extra large size gives you flexibility to proof more loaves or use the extra to cover them while resting. Manufactured by EXO. High quality and customer service you can trust! Finished product in the USA.