The Tuck top Snap Lock Bottom is an economical box designed to store heavier products, and more. Four flaps that fold and lock together to form the bottom are present. Compared to the Tuck Top Auto Bottom, this design is more affordable, but it takes longer to assemble. It is perfect for heavier objects because of the sturdy design and bottom snap closing. The 1-2-3 bottom box, also known as the snap-lock bottom box, is a type of folding bottom box that is quite common in the packaging sector. The process of folding it is quick, and it holds large objects very well. For a secure closure, the bottom flaps are connected with one another.