Canadian Brand. Royal Canin's Boxer Puppy is specially formulated for Boxer Puppies up to 15 months old. In addition to promoting dental health, the wave-shaped kibble design makes it easier for the Boxer Puppy to pick up and chew. High quality protein and L-carnitine help support the healthy development of a strong, muscular frame. The highly digestible formula, including prebiotics, zeolite, fibers and proteins, promotes digestive health and an optimal stool consistency. The exclusive combination of antioxidants helps to support the development of a strong immune system.