Check the listing for details. DuraWhelp Whelping Box. Condition: New. Listed at 299.99 USD. Our Whelping Box is designed to keep your puppies clean, safe, healthy, and contained. The sides and floors are made out of high quality CORRUGATED PLASTIC that has been corrugated for durability. Plastic floors are easy to clean and don't absorb smelly or harmful bacteria like traditional wooden boxes that stink and carry diseases from litter to litter. Our rail system is fully suspended to keep your puppies safe at all times. The box comes with a slide in door that will keep the puppies contained as they get older. Not sure which size you should order? Visit our page for more details: https://www.durawhelp.com/size-recommendation-for-breeds/ For more products such as our whelping pad, heating systems, and whelping kits, visit our website at www.durawhelp.com Product shown with the DuraWhelp Pad, not included with this purchase.