Whelping Pen for Medium Puppies: Designed for medium-sized dogs, with dimensions of 1865 x 970 x 500mm / 73.43 x 38.19 x 19.69 in, our dog whelping box offers a spacious and comfortable growth space. Please check your dog's weight, height, and length before purchasing.

Durable and Long-lasting: Made of high-quality PVC material, this dog whelping pen is waterproof, rust-resistant, and designed to withstand long-term use without deformation or aging. The flat panel design makes cleaning easy, creating a healthy, secure, and stable environment for your pet.

Adjustable Door Height: The door height can be adjusted by 6 in to prevent newborn puppies from escaping, 12 in for easy access for the mother dog, and 18.1 in to stop both mother and puppies from climbing or jumping out. Puppy whelping supplies provides comprehensive security for dogs at various growth stages.