Pedigree Dentastix Medium Dog Treats are uniquely X shaped dental sticks that are scientifically proven to help reduce tartar build-up by up to 80%, when fed daily. Pedigree Daily DentaStix are designed to be chewed for long enough to be effective, with a gently abrasive texture and active ingredients that help to reduce the build-up of plaque and tartar. Tasty but low in fat, with no added sugar and free from artificial colours and flavours.Dentastix can be given to dogs from 4 months of age.Active ingredients: Pedigree DentaStix contain two very special active ingredients (sodium tripolyphosphate and zinc sulphate), which bond with the calcium in saliva and slow down the build-up of tartar. This helps plaque stays softer for longer and makes it easier to remove by chewing Pedigree DentaStix.Size: Suitable for dogs weighing between 10 and 25kg Ingredients: Cereals, Derivatives of Vegetable Origin, Minerals (Sodium Tripolyphosphate min 2.6%, Zinc Sulphate min 0.11%), Meat and Animal Derivatives, Contains EC Permitted Preservatives and Colourants, Free From Artificial Colours, Free From Artificial Flavours