The Bankers Box Liberty Check and Form Boxes are designed for strong, durable storage, ideal for frequent access and maximum stackability. These boxes feature a maximum security design with a string-and-button closure that keeps your check-size files secure, even if the box is overturned. The reinforced plastic handle allows for easy pulling off shelving, and the boxes offer a convenient one-step FastFold setup. With a stacking weight capacity of 500 lb, these boxes are perfect for organizing and storing important documents.