Hilton Knotted Duck Bone, Dog Treats, 6cm, 500gno chemical additives 100% natural duck meat contains a lot of protein with good digestibility, phosphorus, iron, vitamins A, B, E. It has a low content of saturated fatty acids. These ingredients have a positive effect, among others: on the functioning of the circulatory system, as well as on the growth and development of bones and support the dog's natural immunity great as a snack between meals perfect during training Zip bag allows to keep the