The Top Paw Exercise Pen is a portable dog play pen made of durable metal, designed for medium-sized dogs. It features 8 x 24" panels with a step-in door for easy access. The exercise pen provides a safe and secure area for dogs to exercise and play, allowing pet owners to keep their furry friends contained while on the go. With the Top Paw brand name known for quality pet products, this play pen is a reliable option for pet owners looking to give their dogs a safe and controlled environment to play in.