Sold as 7 UNITS at $4.22 per unit. (1 unit = each.) 53 cubic inch capacity. Hard shell box with captive nails. Eliminates metal clamps and screws. Won't crack or break like fiberglass. Blue. UL listed. Bulk . Manufacturer number: BH353A. SKU #: 3175098. Country of origin: (TBA). Distributed by Thomas & Betts.