CareChewz are handcrafted and made from U.S.-raised steers. These protein packed chews are made of 100 percent collagen from beef hide with your dog’s health and well-being in mind. What makes CareChewz unique is Digest-A-Boost, no other chew is faster or safer in digestion for your pet. Collagen +Plus combines the health benefits of collagen with added nutrition and delicious flavor. Available in four varieties to accommodate all size dogs.