The Doggo Dog Chew is all-natural cheese that is perfect for aggressive chewers. Made from yak and cow milk, this cheese is high in protein and low in fat. It leaves no stain or residue, and has virtually no odor. The small end pieces can be microwaved and puffed up as a crunchy treat. This product is imported from and made in the Northern regions of Nepal. It can last several days for moderate chewers.