Precision Pet Ultimate Play Yard Exercise Pen - BlackPrecision Pet Products Ultimate Exercise Pen (UXP Model) is a top of the line exercise pen with a long lasting black e coat finish thats the toughest on the market. Pen includes eight 2 foot wide panels totaling 16 feet in length. 4 pen configurations: 4' x 4' Square, 6' x 2' Rectangle, 5' Diameter Octagon or 16' Fence (when extended) Folds directly into itself to take up less space and speed up set up and take down New door design runs to the top of