Large 45" Octagon Multi-color Playpens for Dogs - Various Color Combinations Providing your pet with a playpen can satisfy your pet's need for an enclosure. Pet playpen is easy to cleanup and designed to fold for storage and transport. 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.