The Petmate Exercise Pen provides a safe and secure kennel for pets that love to play outdoors. Featuring a wire, solid-hinge design and two door latches, the Exercise Pen stays safe and secure for worry-free use. The ground anchors and adjustable wire panels help pet parents easily adapt the shape of the Exercise Pen to their indoor and outdoor needs. The pen folds flat for easy storage and transport during travel. The pins snap into place for quick, no tool assembly. The step-through door provides easy access for pets and pet parents. The pen comes in five different heights, 24", 30", 36", 42", and 48", to accommodate all sizes of pets.