Vevor Dog Whelping Box 73.43" x 38.19" x 19.69" Adjustable Door Puppy Playpen NewThe Vevor dog whelping box is designed to provide a spacious, secure area for medium sized dogs and their puppies. Made from PVC plastic, it is durable, waterproof, rust resistant, and easy to clean for everyday use. The adjustable door height helps control access as puppies grow, while the included waterproof pee pad adds convenience. Its stable design supports a safer environment for breeding, resting, and early puppy development.