Great Dog Bison Tendolinis (Sourced and Made in USA) are delicious bison tendon chews. They are crunchy and durable 2.5-3.5 inch segments making them ideally suited for dogs under 40 pounds. Tendolinis are loved by dogs while also helping to keep teeth clean. Sourced from free-range American grazing bison, Great Dog Bison Tendolinis are never implanted with synthetic or growth promotants and are a much safer alternative to rawhide chews.