Gnawlers Calcium Milk Bone (30 pieces) It helps maintain strong bones and muscles, improves digestive problems and cleans teeth. Gnawlers Calcium Milk Bone presents a safe outlet for your pup to express its tendency to chew. The protein abundant milk bones, when chewed, assist in rubbing off the tartar and plaque formation from the teeth and gums of the , facilitating the incoming of fresh breath. Calcium contributes towards the health of bones and teeth of the dog. It is suitable for dogs of all breeds 2 months onwards.