Features Details Two-Room Whelping Box for Extra-Large Dogs: Sized at 93.3x48.4x18.1 inch / 2370x1230x460 mm, this whelping box is built for extra-large dogs, offering a spacious and comfortable area for puppy growth. Please CONFIRM your dog’s weight, height, and length before purchase Sturdy and Easy to Clean: Crafted from high-quality PVC, the dog whelping box is waterproof, rustproof, and resistant to warping or aging. The smooth panel design allows for easy cleaning, creating a reliable space for your pets Adjustable Double Door Panels: The entrance of this indoor dog enclosure adjusts to three heights. 8 inch to block newborns, 16 inch for mother dog access, and 24 inch to avoid jumping or climbing. The center divider can also be adjusted to two heights. 6 inch to 12 inch for easy mom access, and 18.1 inch for separate spaces as puppies grow. Designed to support every growth stage Oversized Pee Pads (2 Included): Each pad measures 53.5x53.5 inch / 1360x1360 mm, with absorbent cotton and waterproof lining to block leaks. The anti-slip backing keeps the pad in place. Machine washable and reusable. Pads may shrink 4 to 6 cm after washing—gently stretch the edges to restore Clear Marked Feet for Easy Setup: Laser-engraved arrows on the foot pieces show the correct direction, making installation fast and accurate with no confusion