Origins Roots chews are hand crafted, eco-sustainable, gently harvested, air dried for many months and finally cleaned and cut to size. Origins are long lasting, suitable for all dogs including puppies and satisfy a dog's natural urge to chew. Origins won't splinter, are low in fat and contain no artificial additives or preservatives. Ideal for puppies and adult dogs. Please be aware due to being a natural product the size and shape may vary from piece to piece.