Closure structures commonly used in box design

　　They are friction Tuck, seal end, locking tab, push-in closure, concave/Convex, glued sealing, snap lock bottom, and automatic lock bottom.

1.Snap lock bottom

　　Snap lock bottom also called 1-2-3 bottom which has four flaps that are folded and locked to form the bottom in 3 steps.It has a stronger bottom vs. the auto bottom, less expensive to manufacture, but takes longer to assemble.

　　The bottom structure is simple, aesthetic and economic with strength and tightness. Common uses are custom food packaging, custom retail packaging, custom biotech packaging, custom coffee packaging, custom tea packaging, and custom sporting goods packaging.

2. Auto Bottom

　　Auto bottom allows for easy custom printing and quick assembly on the production line. Just like the name says, the bottom is automatically popped into place quickly and easily. Auto bottom is complex and the cost is higher than other box styles.

　　Common uses are custom food packaging, custom retail packaging, custom biotech packaging, custom coffee packaging, custom tea packaging, and custom sporting goods packaging.