Tubidog liver pt for dogs is an innovative and hygienic treat in a tube its important to reward your dog for good behaviour when you are training him its so tasty your dog will do everything you ask and the convenient screw cap tube means youll never have greasy or crumb filled pockets again tubidog is made from healthy ingredients and is easily digestible it does not contain any artificial colours flavours or preservatives and is gluten free the liver pt is rich in meat and fresh