Our pet playpen includes 8-panels which are made of iron tubes. Heavy Duty dog enclosed runner for yard is perfect for rabbit, bunny, dog, ferret, puppy, cat You could link many playpens with each other.Protect your little pets and offer safety with this Adjustable Folding play-Pen with genuine Electro-Coat FinishUse this excersize ex-pen as a fence, gate or barrier pinProvide the best safe place for them.