5 Star Elite Superstrong Archive Storage Boxes are part of a superior quality, robust long-lasting range printed with water-based inks. Made from 100% recycled board and are fully recyclable. Double sided at the two end panels and the base to ensure additional strength as a Heavy Duty box. This enables up to four boxes to be stacked on top of each other, saving storage space. The boxes are easy manual assembly. This box is designed to hold Transfer Box Files, Lever Arch Files and Ring Binders.