●External dimensions (W x D x H): 33.1 x 24.0 x 42.0 inches (84 x 61 x 109 cm) ●Inner Dimensions (W x D x H): 29.9 x 21.1 x 42.1 inches (76 x 53.5 x 107 cm) ●Entrance Size (W x H): 15.7 x 17.5 inches (40 x 44.5 cm), 2nd Tier: 11.8 x 16.1 inches (30 x 41 cm) ●Suitable Pet Type: Cats up to 17.6 lbs (8 kg) ●Easy to maintain, plastic tray that is easy to clean and can be washed with water ●Comes with 2 shelves. Includes a shelf board that allows cats to bounce, so you can place beds and toys to create a playground or lounging space ●Easy assembly: Just attach the joint, so it can be done by women alone. No tools required ●Comes with a door on each tier. The wide doorway makes it easy to insert and remove toys and cats in and out