Creating Different Shapes:; Each panel of this versatile dog playpen measures 27″ W × 39.5″ H. By connecting them with metal bars, the playpen can be assembled in various shapes and sizes, including square and rectangular configurations. Add or remove panels as needed to achieve the desired shape.Great for Camping:; The foldable and portable design of this puppy playpen allows for hassle-free transfer from your residence to your vehicle, making it a perfect addition for those looking to go RV camping or travel with their pets.Not Just for Dogs:; This dynamic and expandable pet fence is not limited to dogs and is suitable for small or medium-sized animals such as toy poodles, corgis, rabbits, ducks, bunnies, and puppies. It can be used both indoors and outdoors.Safety & Security:; Ensuring the safety of your pets is of utmost importance to us. Our exercise pen is crafted with appropriate bar spacing and two latches that lock automatically as you close the door. Rounded edges also protect animals from injuries while preventing damage to wood or PVC floors. Additionally, stakes anchor the panels firmly to the grass or soft ground.No Tools Required:; Simply unfold, shape, and connect the dog playpen together, exercise pen can be set up in seconds and folds flat for easy storage or travel.