Growing new teeth is tough work and it makes for some sore gums! sore gums and a strong urge to chew while cutting new teeth can turn your precious puppy into a whirlwind of destruction. N-Bone puppy grain-free teething rings are easy for Floppy puppy paws to hold onto and provide a soothing and Appropriate outlet for chewing. formulated with DHA and calcium to support your puppy's unique nutritional needs, our delicious grain-free chicken flavored rings are pliable and won't damage immature teeth or upset tummies that have gluten sensitivity.