Mailer​ boxes (also know as RETT roll end tuck top) are flat, die cut boxes that are easy to assemble with a simple self-closing design. Commonly used for subscription box delivery.

Literature box (also known as OPF one piece folder) is Ideal for shipping books, binders, and picture frames. Used often in the printing industry, This style box is made to be folded around the product

The Tray (also known as DST design style tray) is commonly used for large narrow items like picture frames. You may also see them being used on the top and bottom of pallets. The flaps can be glued, taped or stapled.