FastFold® quick and easy assembly Locking lift-off lid stays in place for storage Heavy-duty storage boxes fit both letter and legal-size documents Easy to label for organized storage New kraft brown boxes are recyclable and reusable. Bankers Box® Heavy Duty Storage Boxes, 10" X 12" X 15" (10-Pack) These incredibly sturdy boxes are ideal for many uses, including filing, moving, and long-term storage. Strong, durable, and heavy-duty, Bankers boxes are easy to set up. Plus, they tear down quickly. The boxes each feature a designated labeling space, so you can keep track of contents. These new kraft brown boxes are recyclable and reusable, and they can fit both letter and legal-size documents. How Much Can a Banker Box® Storage Box Hold? These Bankers Box® storage boxes have a stacking strength of 650 lbs. Note: Stacking strength is the amount of evenly distributed weight (lbs.) that can be safely stacked on top of a box. FastFold®: quick and easy technology FastFold® is a patented design that essentially creates a one-step box setup process. When timed, it was found that these boxes set up four times faster than standard assembly boxes. Includes locking lids Built-in locks prevent the Bankers box lids from accidentally sliding off, helping to keep the contents secure.