The Cardboard Box is a table from the Cardboard Set. It can be purchased for 100 Bells, and sold for 25 Bells at Re-Tail (20 Bells at Nooklings). Being a table, you can place other items on top of it.
Customizing the Cardboard Box costs 10 Bells. To return it to its original state, it costs half the price (5 Bells).
There are 3 options for customizing the box printing. There are no ore customizations available for this item.