Canadian Brand. Noah's Ark Raw Beef Marrow Bones are a natural, nutrient-rich chew packed with marrow, minerals, and rich flavor dogs love. Sourced from high-quality beef and frozen to preserve freshness, these single-ingredient bones support dental health by helping reduce plaque and tartar while providing a satisfying, instinctual chew. Perfect for medium to large dogs, they offer both mental stimulation and long-lasting enjoyment, completely free from additives, preservatives, or fillers.