Polkadog Lucky Duck Bones Crunchy Dog TreatsSometimes the big folks in our life need a little extra love, and we had the big boys and girls in mind when we developed our Lucky Duck treats with dehydrated liver. More toothsome than our other handcrafted creations, these crunchy bones are chock full of locally sourced natural U. S. duck liver, with a side helping of nutritious potato flour. Grain free with limited ingredients, these are perfect for bigger dogs on a raw, fresh food, or grain free