48"H x 24" 8 Panel GoGo Silver Zinc Exercise Pen w/ Door 1. Thick wire gauge 6,7 (frame) & 11. The smaller the number the thicker the wire. 2. Unique metal tabs for an extra secure door. 3. Removable pin allows you to add additional pens for added play space. 4. No exposed screws, wires or pins. 5. Free outdoor grass anchors