Vets Best 2 Unit Cat Condo is easily cleaned and maintained. It is fully welded with 18 gauge 304 stainless steel. Features: Fully assembled 18 gauge stainless steel Stainless steel doors, latches and hinges Units can be stacked 3 high or can be used separately on a counter top. Overall dimensions are 48? Long x 24? Deep x 24? High Cart is available for easy maneuvering.