MidWest Contour Wire Exercise Pen with Door for Dogs and PetsA properly exercised pet is a happier, healthier pet. Especially those that generally require a greater degree of confinement, but even pets that are allowed to roam widely cant always be given unlimited space to move about, play, and keep those muscles working. That's where MidWest exercise pens come in. The MidWest Contour Wire Pen is a safe and secure way to give your pet room to exercise. Each MidWest product undergoes rigorous product testing