Iris pet playpen add-on panels help build the perfect play area for puppies, extra small to medium sized dogs and other family pets. Use the panels to create or add to an indoor dog Fence, play gate, dog play yards, or dog exercise Pens. The panels for the portable playpen provide plenty of play space for pets. The panels come in sets of two and each one measures 33. 6"W x 24"H, while the distance between bars is 1. 7''. The heavy-duty molded indoor pet pen panels will last for years. Pet panels can be positioned in different shapes and added to New IRIS pet Playpens, ci-604e to best suit your space capacity and pet's needs. The plastic panels securely snap together to keep your pet inside. The Add-On panels also feature a non-skid rubber foot to protect flooring. Made in the USA.