These galvanized cages come with a vinyl floor and slide in pan. The overall height is 18" with an inside height of 16", the bottom 2" form a ledge under the cage for the pan to sit on. The top and sides are constructed from 1"x2" 14 gauge wire and the bottom is 1"x1" 14 gauge vinyl coated wire. The first dimension listed will be the side the door is installed.