Clear Assembly Guide: Laser-engraved arrows on each foot provide clear direction for fast and accurate setup. No guesswork—just easy, secure assembly Oversized Waterproof Pee Pad: Comes with a 65.3x65.3 inch / 1660x1660 mm pee pad featuring absorbent cotton and waterproof lining to stop leaks. Anti-slip base avoids shifting. Machine washable and reusable. A natural 4 to 6 cm shrinkage after washing is normal—stretch edges gently to restore. Adjustable Door Heights: The entrance of this indoor dog enclosure adjusts to three heights. 8 inch for newborn security, 16 inch for easy access by the mother dog, and 18.1 to 24 inch to avoid climbing or jumping out. Supports different growth stages with all-round care Durable and Easy to Clean: Made of premium PVC, the box is strong, waterproof, rustproof, and built to last without warping or aging. The flat-panel design allows for quick, easy cleaning—ideal for creating a reliable space for your pets Whelping Box for Extra-Large Dogs: Sized at 60x60x24 inch / 1520x1520x610 mm, this dog whelping box offers a spacious, comfortable area for extra-large dogs, giving your dog plenty of room to move and grow. Please CONFIRM your dog’s weight, height, and length before purchase