20 mini knotted dog bone pieces for small dogs. Canine Chews mini knotted rawhide dog bones for small dogs and puppies is a perfect long-lasting snack for your dog. The knotted bone shape makes the chew toy a perfect game for the dog to unravel and will last your small dog approximately 10-30 minutes depending on the chew strength. This all-natural single-ingredient dog chew toy is hand made in our family-owned factory in Mexico using beef hides from Mexico and the USA. Without the use of harmful chemicals or preservatives, this long-lasting rawhide dog chew bone is a great way to protect your furniture and shoes while providing your dog a chewing outlet. Dental benefits abound: chewing action gently scrapes plaque and tartar as a great dog dental treat. A fantastic value dog treat with 1 per day this pack will last your pup nearly 3 weeks of chewing fun.