120 ML Anti Poop Spray/Non Hazardous Material. No Need to Yell or Swat, Simply Spray. Use Outside only. Some cases it takes time for adamant dogs. So be patient. Keep spraying as per frequency needed. Preferably Must Wear Mask. Avoid inhaling while Spraying On Floor Surface/Area Etc. After Spray It Dries Up Within 10-15 Min Simply Apply The Spray To Your Preferred Areas.And See Results IMPORTANT: This is behavioural issue so needbased for adamant dogs, spray even once or twice a day including surrounding like walls etc till dogs stop defecating.