Tomcat Rodent Repellent Pouches 4/PK - Tomcat Rodent Repellent Pouches provide ready-to-use, inside rodent protection, preventing rodent entry, nesting, and foraging in your home. The easy-to-use repellent pouches contain essential oils that deliver a smell that repels mice and rats. Use indoors under sinks, in closets, storage bins, sheds, and garages.