These heavy duty, stackable boxes provide a tough and durable storage solution for the office home or warehouse. The base and corners are reinforced for extra strength and durability, making them ideal for long term storage. The storage box can be stacked with or without the included lid for versatile use. The lid also includes location guides for non-slip, secure stacking. The box also contains handles, which clip the lid in place and make transportation easier. This 48 litre box has internal grooves, which accommodate both A4 and foolscap suspension files.