Please order equivalent box #EC20391, which is heavily packaged for parcel shipment Fits straight-tongue or A-frame trailers Patented RigidCore foam-filled lid to maximize strength and prevent binding 0.058" extra-thick, one-piece aluminum tub holds heavy tools and cargo Stainless steel lock handle for security and corrosion-resistant operation. MicroSeal gasket helps seal out moisture, dust and dirt. Lid self-opens to 90 degrees for convenient operation and loading. Assembled in USA. Limited lifetime warranty (one-year finish, one-year parts). .