I know the Roverpet solid Plastic Portable Puppy Durable Rails are designed for our pet whelping box. Firstly they fit snugly inside the puppy whelping boxes which reduces the risk of harm. In addition the plastic sturdy durable puppy rails should be up higher than pups up until they are 3 weeks of age. Therefore the puppy whelping box is available in white, gives them the modern look. I would say the plastic 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 a 4′ wide x 4′ long whelping box.
Besides the puppy dog whelping box pet rail assemblies are made from plastic. For instance multiple size “legs” allows the canine breeder to vary the rail height as appropriate for dog breed size. I know the pet rail is to help keep the puppy from being smashed between its mother and the sides. Therefore this PVC whelping box system will help prevent canine from laying on the puppies. (No Tools or Glue Needed to Assemble)
For example puppies are vulnerable to being smothered, best whelping box pig rails help prevent this. Emphasis on easy to clean PVC whelping boxes with soap and water. I know the sturdy Solid Plastic Portable Puppy Durable Rails, are placed just above the floor. Therefore the best whelping boxes will help pets stay safe and warm when using pig rails. Best of all the Roverpet dog products are made in the USA. Firstly: plastic pig rail can reduce the risk of possible suffocation.
Items Included: #44PR
(2) #PR48LB PVC tubular pipe w/ pre drilled holes for legs
(2) #PR48CB PVC tubular pipe for cross bars
(4) PVC support legs (please note height with order)