Puppies must chew at least 4-6 hours to be mentally and physically engaged. It’s part of the teething and biological processes of puppy-hood. This right of passage whether your dog is undergoing it or past it a ten fold can be addressed in several ways. Be sure to pick an age appropriate chew toy for your pup. Not sure which to pick? Ask your local pet supply store clerk or veterinarian. This Dinosaur Nyla bone is tribute not only to our evolutionary past, but a favorite for many many dogs already in this 2013 year.