Vibrant Life Indoor & Outdoor Pet Exercise Play Pen‧Heavy-duty, non-corrosive metal frame‧Slide bolt latches to keep your dog secure‧Can be configured into 4 shapes: 4' square, 5'octagon, 6' 2' rectangle, 16' divider fence‧Similar to a crate but allows for exercise and play‧Folds flat for easy transport and storage‧Quick and easy to assemble‧Provides clear visibility and ventilation