Kraft Bakery Boxes are the industry's standard, economic choice, using 20% less fiber than other box materials. Each one piece box has an attached tuck-in lid, and can be used to hold and carry a variety baked goods. The lock corners facilitate assembly and enable the box to be folded flat for storage or transport. Food Container Type: Box; Material(s): Kraft Paperboard; Material Type: Paper; Color(s): Brown.