ProSelect® Everlasting Black Exercise Pens are filled with deluxe features you won’t find with other pens. Durably constructed of 7- and 10-gauge wire with a long-lasting black epoxy finish. Narrow wire spacing (1 1/2" x 6") provides rigidity and security. Door provides easy access for pets and features dual, escape-proof locking latches. Eight strong, 24" wide panels create a spacious 16 square foot area.