Whether you need to ship items, rent a storage unit, or store important documents at your office, purchasing custom boxes can save you time and money. With many different types of storage available, it's important to choose the best storage options for your needs. How much are custom boxes going to cost me? To get immediate pricing for any of your box styles, simply click on, design a box, to access this page. Then, choose your box type, style, material, and/or quantity.