As you can see by the photos There is a box that the windows, access door, etc. fit in. I just put it together to show that the box is complete. The walk-in sits on your existing floor. Three display doors 30" by 72" each with door frame, shelves, upright supports.Triple door frame. Shelves - white plastic coated. Shelf supports. Two pieces of plywood sit on the floor and two sheets of galvanized metal lay on them to make the floor. The external walls need to be painted . There was a black fabric finish on them . Call with any questions. The box is 103" wide, 73" deep, 93" high. Combo one piece compressor/evaporator that drops into the ceiling. Run 220 volts to it. Plug it in. Cool away. Walk-in cooler access door with hinges. Call Bill at 518-282-9818 or 802-683-6813 .