Buyers Products Black Poly Underbody Truck Box gives you increased durability in a lightweight package with rust-resistant, molded high-density ribbed polyethylene construction. Contents stay protected and secure from weather and theft with an automotive style bulb door seal, double-wall locking door, and 1/4 in. stainless steel full-width hinge pin. Security is enhanced with a 3-point locking, stainless steel compression latch system (includes 2 keys).