KONG STUFF'N BREATH TREAT IS DESIGNED FOR USE WITH ANY RUBBER KONG TOY TO KEEP YOUR DOG BUSY AND CONTENT. BREATH TREAT CONTAINS INGREDIENTS THAT SPECIFICALLY ATTACK BAD BREATH, AND CAN BE USED ON A DOG TOOTHBRUSH TO HELP PROMOTE HEALTHY TEETH AND GUMS. ALSO WORKS GREAT AS A TRAINING TREAT OR ANYTIME TREAT.