Made with all-natural ingredients, the vegetable-based texture will help remove plaque and tartar as they chew. Whimzees stixs have six natural, functional ingredients and no artificial ingredients, colors, flavors, preservatives, GMOs, gluten, or meat. They’re also high in fibre and low in calories and sugars.Whimzees stixs are great for overall dental health, with their unique shapes that ensure proper blood flow through the gums and prevent bad breath and the build-up of tartar. Medium size is suitable for dogs weighing: 12-18kg All Nautral Colours: Green - Alfalfa Extract: Vitamins K, C and six Bs, beta-carotene – our all-natural green color. Orange - Annatto Extract: Rich source of antioxidants, from the Annatto fruit – our all-natural orange color. Brown - Malt Extract: Enhances natural flavor – our all-natural brown color. Not suitable for dogs under the age of 9 months. As with any edible product, monitor your dog to ensure the treat is adequately chewed. Swallowing any item without thoroughly chewing it may be harmful or even fatal to a dog.