Tuck top snap lock bottom packaging is also as known as 123 bottom, is used almost exclusively as a bottom closure, large piece locking panel go in first then two dust flap and small piece locking panel tuck underneath the large locking panel to complete sealing, often combined with tuck top closure. This is a hand erected and closed style.

Same as a tuck top auto bottom but the bottom is not pre glued. The custom tuck top snap lock bottom has four flaps that are folded and locked to form the bottom. It is as stronger as the auto-lock bottom, but less expensive to manufacture, and takes longer time to assemble