The Large Mouth Bags are made of durable multi-ply construction and come with a detachable should strap. A rugged zipper closure offers convenience and helps prevent tool loss. Bags have large mouths that open completely for easy access to large tools, and are reinforced to hold it open. Comes in 13-in. (35-410), 16-in. (35-418) and 18-in. (35-427) lengths.