Veterinarian approved Puppy Starter Kit from Nylabone is made for your puppys chewing needs Includes the following Puppybone For puppies over 2 months of age Flexible Puppybone is recommended for young puppies This chew is more pliable and is specifically designed to assist in the growth and development of teeth and jaw Healthy Edibles Bacon Flavored Is an edible dog treat recommended for puppies 3 months and olderHealthy edible treat is a safe alternative to rawhide and processed animal parts Durable Pooch Pacifier Chicken Flavored Is recommended for growing puppies 4 months and older whose jaws are getting stronger This chew is designed for the more aggressive chewers 3 pc.