Simple Solution Spray (16 oz) is scientifically designed to encourage puppies to urinate in a specific area. It helps reduce home training time when used as directed. Puppy Aid Training Spray is safe to use around pets and children when used as directed. Can be used outdoors or indoors Scientifically formulated to encourage puppies to urinate in a designated area Safe for use around pets and children when used as directed Reduces house training time when used as directed For indoor or outdoor use 16 fl oz. ounce. Trigger spray