Guardian Gear ProSelect Everlasting Exercise Pens for Dogs and Pets Durable Dog Pen  Each panel of the ProSelect Everlasting dog pen includes 7- and 10-gauge wire Long-Lasting Pen  The wiring used in each of the pens panels includes a black epoxy finish that resists rust Dual Locking Latches  The easy access door in the ProSelect portable dog pen features dual locking latches for added security Mesh Dimensions  The wire mesh in each panel leaves openings of 1.5 by 6 inches 18-Inch Panel Height  These wire panels feature an 18-inch panel height with a 24-inch panel width; additional panel heights up to 48 inches are available