48H" x 24" 8 Panel GoGo Silver Zinc Easy Add Exercise Pen When Qualtiy Matters....Thick 8 gauge wire frame ( the smaller the gauge, the thicker the wire ). Compare to our competitor models - Midwest Model 540 and Precision SXP Pro Handler. The most versatile Dog Pen available. The GoGo Easy Add allows you to add of take off as many panels as you wish. No tools necessary.