Canadian Brand. Give your dog a natural, long-lasting chew with Noah's Ark Raw Frozen Beef Knuckle Bones. Packed with rich marrow, essential nutrients, and natural minerals, these bones support dental health by helping reduce plaque and tartar while satisfying your dog’s instinct to chew. Sourced from high-quality beef and frozen to lock in freshness, they’re a wholesome, single-ingredient option with no additives or preservatives.