Bones & Chews Made in USA Roasted Marrow Bone 3" Dog Treat is full of flavors that are sure to satisfy your dog’s natural cravings, and at just 3 inches, they are the perfect size for smaller dogs. These 100% natural USA beef bones are slow-roasted to preserve the tasty, natural meat flavor. They’re filled with a natural marrow to ensure a high-density bone and a long-lasting challenge for your active chewer. Bones & Chews Made in USA Roasted Marrow Bone 3" Dog Treat contain no added artificial colors, flavors or preservatives and are never treated with any chemicals, bleach or formaldehyde. Throughout the roasting process, they’re kept at optimal moisture levels to minimize splintering for a safe and satisfying chew.