Dog Rocks 12-Pack Natural Pet Urine Lawn Spot Eliminator, 24 Months Supply Convenient, Hassle Free and Safe Lawn Burn Spot Eliminator for All Household Pets 100-Percent Natural Rock, All Natural Materials, Straight from the Earth Stops Burn Patches on Your Lawn Caused by Pet Pee Safe for Your Pet, Does Not Affect the pH Balance of Drinking Water or Urine Dog Rocks are 100-Percent Natural Product from Australia