●The IRIS Pet Playpen Add-On Panels can be used to help build dog play yards, play gate, small dog fence, and more ●The plastic panels are portable and provide plenty of play space for pets ●IRIS pet panels are made of durable, heavy-duty molded plastic ●Add-On Plastic Panels can be used together to create a custom playpen or combined with an existing IRIS playpen to make it larger ●Dimensions: 35.13"L x 1.13"W x 23.75"H