Precision Pet® Ultimate Exercise Pens are a good playground for pets indoors or outdoors. Available in a variety of sizes for dogs of all breeds, each Ultimate Pen comes with eight, two-foot-wide panels that can be set up as a sixteen-foot "fence" or exercise pen. Made of durable, solid steel construction with a rust-resistant, electro-coat finish increases the life of the pen. Designed with a pet's safety in mind, the Ultimate Pen features a drop-in design that makes certain there are no exposed screws, wires, or pins. To keep pets secure, the Ultimate Exercise Pen features a 3-point locking door and provides easy access to the pet while keeping them contained. The Ultimate Exercise Pen easily folds flat and features a convenient handle for storage or travel. Recessed fasteners protect a floor's surface making it great for indoor use. Designed to be used with a variety of pets.