The bones are tapered to create an edge in your Puppy to seize on to, or you'll be able to flip them all over to sit down flush in opposition to the puzzle board for an additional problem. All of Outward Hound's puzzles are created of BPA-, PVC-, and phthalate-free https://dailyideapost.com/the-ultimate-guide-to-dog-toys-kong-dog-toys-dog-puzzle-toys-interactive-dog-toys-and-tough-dog-toys/