One for Pets Four Story Cat Activity Tower Easy set up in minutes; hang on a door or mount on the wall Spacious compartments; total height is 70" Each compartment is 23" w x 16" deep Strong and sturdy made with heavy-duty nylon canvas mesh and metal frame Compartment dividers can be taken out to make bigger area Each storey has a removable plush mat for great comfort Size: 23" x 16" x 69"; Four Storey Round Activity Tower weighs 158lbs