NEW PHASE-The Ultimate Stacker Unit. This stacking unit is like no other. It has a central cylinder that the five individual boxes slide onto and a snap on cylinder cap with a handle that locks the boxes in place. The boxes feature eight inner compartments with a tight fitting hinged lid with a snap closure that will prevent the contents from migrating from one compartment to another. Individual boxes measure approximately 7x7in and 1-1/8in deep. Complete unit measures approximately 7x7x7in. Imported.