Guardian Gear ProSelect Everlasting Exercise Pens for Dogs and Pets This everlasting exercise pen is a secure way to keep dogs contained in backyards, at dog shows, or on the go Durably constructed of 7 and 10-gauge wire with a long-lasting black epoxy finish 1" x 6" narrow wire spacing provides rigidity and security Door provides easy access for pets and features dual, escape-proof locking latches Also available in 18"H, 24"H, 30"H, 42"H, and 48"H