DirectStop Animal Deterrent Spray is a highly effective, safe and humane way to deter aggressive animals. The strong force of the spray when combined with the unique citronella odor provides the unexpected element of surprise. Unlike pepper spray, DirectStop doesn't cause pain and can be used indoors. Animal deterrent Spray is a safe and humane device to deter agressive animals. Citronella based spray is as effective as pepper spray without harming the dog or making them more aggressive. Used successfully with wildlife i.e. snakes, racoons, squirrels and some exotics. 3 oz spray can with leather belt holster.