Sticks for healthy teeth.For cleaning teeth, training the jaw and gums and of course for cool breathing.It contains 61% corn starch, 14% water, 12.9% glycerin, 7% rawhide, 5% collagen, 0.1% food coloring.Protein: 5%Total fat: 0.05%Total ash: 8%Total fiber: 5%Moisture: 15%