There are 3 types of common pockets found in digipak, wallet type packaging:

A folder-like pocket can usually be found in a discpak or a wallet, It consists of a flap and is used to hold a booklet. The shape of the flap is highly customizable and can be made into any shape.

An O-pocket is one where the booklet is slided through the side of the discpak or wallet. No additional flap is needed.

A slit pocket is usually a die cut through the middle of the panel. No additional flap needs to be created.