Made with natural sea kelp and algae, these dental bones are tasty and a great way for your furry friend to clean their teeth. Not only for cleaning their teeth, but to freshen their breath AND keep the plaque from forming back onto their teeth. Plaque off has the science to prove it. Made from wholesome ingredients and vegan probiotics they are also free of grain, wheat, gluten, soy, corn, artificial flavors, colors, or preservatives. Have a small dog? Plaque off dental bones are made to easily break in half for those smaller breeds. They also come in several different flavors.