Our Green lipped Mussels are natural Treats sourced locally and manufactured at our facility. Helps provide healthy source of glucosamine and vitamins C and E , antioxidants , and minerals such copper, zinc, and selenium great for pets joint health. Color and size may vary. 100% Natural No Preservatives , No Additives or Chemicals are added. 3oz Keep In Cool and Dry Area For Longer Lasting. Feeding Instructions Always supervise pets when given any treats.