Hartz® Flavored Beef Small Dogs Rawhide Chew Munchy Sticks. Less than 20lbs. Hartz®. Quality since 1926. Hartz flavored rawhide - in beef and chicken flavors for enhanced enjoyment. Long-lasting chew. Satisfies your dog's instinctive urge to chew, which reduces plaque and tartar. Treated by irradiation. Visit our website www.hartz.com. Hartz® and other trademarks are trademarks of The Hartz Mountain Corporation.