LINQ 5 US GAL (20L) MODULAR CARGO BOX - 715007112Easily add cargo space with the 5. 2 US gal (20 L) capacity LinQ Modular Box. Its rugged rotomolded plastic construction can handle anything you throw at it. The LinQ system offers great cargo space solutions. Our range of LinQ Modular Boxes are solid and durable. Your belongings will be safe and sound inside these tough, rugged boxes. Boxes can be easily attached to a LinQ base, or even stacked one on top of the other to maximize your carrying