Arm & Hammer Replacement Corn Starch Waste Bags are made from 40% cornstarch and can be used in multiple ways. These quick-load pet waste bags control odor naturally with the freshening power of baking soda. Other uses include baby diapers; wet bathing suits; etc. INSTRUCTIONS: To use the bag simply pull the bag end through the dispenser opening. Tear the bag at the perforation and place your hand in the bag. Pick up waste and turn the bag inside out. Tie the bag and dispose of it. To load or refill the dispenser simply twist-off the end cap of the dispenser. Remove empty roll. Insert refill roll and replace cap.