Bookfolds or one piece folders (OPF) are corrugated boxes typically used with products that require a depth of 5” or less (e.g. picture frames)
Bookfolds are laid flat and placed to cover the product placed inside. The flaps can be sealed with tape down the center where they come together. Bookfolds do not require glue.
They are typically used for products like picture frames requiring a depth of 5”. Bookfolds can be secured with tape down the center where the flaps meet. They do not require glue.