Hartz established in 1926. For over 80 years, Hartz has offered products that optimize your pet's health and overall well-being. At Hartz, our goal is for your pets to live happier, healthier and longer lives. Rawhide chews are a natural way for you to satisfy your dog's innate desire to chew. Additionally, rawhide provides important dental benefits as it will naturally reduce plaque and tartar on your dog's teeth as they chew. Hartz rawhide provides your dog with a natural and fun chew that promotes better oral health! Long lasting chew. Satisfies your dog's instinctive urge to chew. Naturally promotes plaque and tartar reduction. Ideal for active, aggressive chewers. Unbasted - all natural - no preservatives. Product of Brazil.