Great for Camping: The unique fold and carry design allows you to transfer the puppy playpen from your home to vehicle quickly if you need to go RV camping or travel with your puppy dog Not Just for Dogs: This interactive and expandable pet fence is suitable for small or medium pets, such as toy poodles, corgis, puppies, rabbits, ducks, bunny, perfect for both indoor and outdoor use Creating Different Shapes: Rectangle enclosure dimensions and area: 55.3" L × 27.3" W × 39.4" H and 10.6 sq. ft. Panels are connected by metal bars, which allow this dog playpen to be flexibly built in different shapes such as square and rectangle in different sizes by adding or removing panels Safe & Secure: Appropriate bar spacing keeps your pets safe in the exercise pen. Two latches on the door lock automatically as you close. Rounded edges protect animals, which also prevents causing damage to wood/PVC floors. Stakes not only connect the panels firmly but also anchor the panels to the grassland 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