Great Dog Bison Tube Pieces - 1 Pound Bag (Sourced & Made in USA) Great Dog Bison Tube Pieces comes in a 1 pound bag containing irregularly sized pieces of bison trachea ranging in .25-4.0 inches--a great value for the multi-dog family Bison Tube Pieces are US sourced from free-range grazing bison, never implanted with synthetic or growth promotants, full of flavor, and help keep teeth and gums clean Great Dog Bison Tube Pieces are fun to eat, cracking when chewed, ideal for dogs with allergies and sensitive stomachs, and a great alternative to rawhide This cartilaginous product is a great source of chondroitin sulfate which may ease stiff joints Slow roasted in a human grade facility, there are no smokes, soaks, washes, nitrates, colorants, BHA or BHT added