Petmate's Exercise Pens allow you to create a safe indoor or outdoor exercise area for your favorite furry friend. This particular pen features 8 wire panels that can easily be configured in various ways with no tools required, depending on your needs! The solid-hinge design is easy to set up for every pet parent's convenience, plus it folds down so it's easy to store and bring with you on your next road trip. This Petmate Exercise Pen also comes with a snap hook assembly allowing you to attach it to a wire crate. Best of all, it comes available in a variety of heights, perfect for pets of any size.