Doggy Exercise Playpen - 57" Octagon - Various Colors It is easy to cleanup and designed to fold for storage and transport This pen can be used as puppy pen, whelping pen, playpen, petting pen, and training pen A playpen can help to reduce separation anxiety, to prevent destructive behavior, such as chewing furniture. A playpen can offer a secure room to birth and whelp. A playpen can keep a puppy away from potentially dangerous household items, like poisons, electrical wires, etc.