Prevue pet products plastic castle 2045 is a perfect toy for your hamster or gerbil. Molded plastic construction is durable and ideal for use either inside or outside of your pet"s cage. Clear plastic top half allows you to observe your pet playing, hiding and sleeping in its new castle. Blue base and clear top are individual pieces for ease of cleaning. Plastic castle 2045 measures 8 1/2-inch long, 5 1/2-inch wide and 5 1/2-inch wide.