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 Teething Rings Grain-Free 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 puppys unique nutritional needs, our delicious grain-free blueberry & bbq flavored rings are pliable and wont damage immature teeth or upset tummies that have gluten sensitivity.