Great Dog Bison Achilles Tendon Chews (Sourced and Made in USA), our highly coveted number one seller, last a good long time and are US sourced from free-range American grazing bison, never implanted with synthetic or growth promotants and are a much safer alternative than rawhide chews. Sold in a 3/4 LB bag, Bison Achilles Tendon Chews are slow roasted in a federally inspected, human grade facility with no smokes, soaks, washes, nitrates, sorbates, BHA or BHT. Great Dog Bison Achilles Tendon Chews range in size from 3-5 inch segments making them best for dogs under 55 LBS.