ATV Cargo Box - ATV Storage Box, Rear, Black. This cargo box will fit most large ATVs. With high back rest and wrap-around profile this ergonomic and aerodynamic design provides the ultimate in storage without compromise. Durable, lockable and easy to install. Built-in reflector to ensure oncoming visibility from rear and side angles, full mounting kit included. Uni-compartment for maximum storage and 2 built-in cup holders.