Let’s see…what do we think of when we hear the word ‘Rottweiler’? Glossy black and tan coat. Strong muscles. Proud, athletic stance. Big build. Royal Canin targets each of these physical characteristics with its custom-designed formula. Royal Canin Rottweiler Puppy helps your Rottie be the magnificent and majestic dog he was bred to be. Product details Made for puppy Rottweilers aged up to 18 months keeps muscles lean and strong with quality protein and L-Carnitine supports bone and joint health assists with weight maintenance.