The Universal Welded Wire Pen measures 7' X 8' X 48" and is made from 2" x 2" welded wire which makes it perfect for housing all types of animals. The welded wire top adds that extra safety measure to really protect your pets from predators. This pen comes equipped with an easily removable knock-out, back panel for the addition of our Large Dog House or Wood Hutch. It can serve as a complete home for chickens, small dogs, turtles, adult rabbits, cats and baby goats. 3rd Picture is the Optional Extension kit to make the run 2X as long.