Vet’s Best Cat Condo is a stainless steel unit that includes a shelf and a pass through to side litter box area. Unit is constructed of 18 gauge 304 stainless steel and includes two heavy duty doors with one hand latch system. Can be stacked up to 3 high or may be used on a counter top. Features: Fully assembled 18 gauge stainless steel Stainless steel door, latches and hinges Units can be stacked 3 high or can be used separately on a countertop Overall dimensions 36? Long x 24? Deep x 24? High Cart is available for easy maneuvering.