pet pen is an nice Puppy play area, training puppy enclosure and exercise pen for Puppies. The heavy-duty molded playpen will last for years. The portable pet fence is lightweight and easy to assemble. Taking apart the indoor pet pen is just as simple, so you can quickly store and transport it. . Position the pet playpens in different shapes depending on your space and pet's needs. Perfect for your puppy or small-to-medium sized pet.