SmithBuilt 48' x 48' x 18' Whelping Box for Dogs and Puppies, Heavy Duty PVC Whelping Pen and Birthing Box with Rails and Adjustable Height Door,...

48 x 48 x 18 Whelping Box Screwless Design for Fast, Hassle-free Setup Integrated door adjusts to three heights 6, 12, or 18 3 Wide Pig Rail with 2-¾ or 4-½ High Adjustable Legs Heavy-duty PVC Construction