I know the Roverpet pet Plastic Durable Pig Rails are designed for puppy whelping boxes. Firstly they fit snugly and securely inside the Labrador whelping box which reduces the risk of harm. In addition the durable puppy rails should be up higher than pups up until they are 3 weeks of age. Therefore the canine puppy whelping box is available in white. I would say the plastic pet dog crate pig rails are used to protect the puppies should mom roll over. Firstly when puppies are of sufficient size, rails can be removed to increase internal dog whelping space. Fits 2′ wide x 4′ long whelping pen
Besides the canine puppy pet rail assemblies are made from tough plastic. For instance multiple size “legs” allows the breeder to vary the rail height as appropriate for dog breed size. I know the pet whelping box rail is to help keep the puppy from being smashed between its mother and the sides. Therefore the plastic dog whelping box system will help prevent canine from laying or stepping on the puppies. (No Tools or Glue Needed to Assemble)
For example newborn pets are vulnerable to being smothered, puppy dog whelping box can help prevent this. Emphasis on easy to clean ultimate whelping box with soap and water. I know the plastic durable puppy dog crate pig rail, is placed just above the floor to protect them. Therefore the canine puppies stay safe and warm when using the best whelping box. Best of all the Roverpet pet products are made in the USA. Firstly: Plastic Pet Rails can reduce the risk of possible suffocation.
Items Included: #24PR
(2) #PR48LB PVC tubular pipe w/pre drilled holes for legs
(2) #PR24CB PVC tubular pipe for cross bar
(4) PVC support legs (please note height with order)