One or more pieces of board provide an unbroken bottom surface, and are scored to fold around a product. The International Box Code describes them as Folder-Type Boxes. The carrier Classifications us the term Folders or Five-Panel Folders.

	One Piece Folder Well suited as a mailer or book folder, these packages are perfect for printed materials, graphics and products of a very narrow depth. Product Detail and Sizes
	Five Panel Folder Well suited for long narrow items, this box has several thicknesses of corrugated board in each end. This provides considerable strength and makes the FPF an excellent container for items which normally would poke through the ends of the container. Product Detail and Sizes