Dogswell Veggie Life Happy Hips Treats For Adult Dogs Pack Of Six, 5-Ounces Per Unit (Total Of 30 Ounces) Helps Maintain Healthy Hips And Joints With Glucosamine And Chondroitin From Cage Free Chicken With Vitamins A And E Due To The Lack Of Artificial Preservatives And Artificial Colors In This Product, Their Could Be Color Variations Which May Cause The Product To Become Darker Over Time