The Tuck-a-Stacker is the smaller of the two rectangular shaped stacker lunchboxes. It is a convenient, compact and reusable three compartment food grade stainless steel lunchbox. The Tuck-a-Stacker includes 2 stackable levels and bonus oblong container, which can be snugly stored inside the second layer or used on its own. Food grade stainless steel, dishwasher safe, durable, non-toxic, hygienic and plastic free.