Trash bins can be a dirty, bug-filled place – but they don't have to be! TERRO garbage guard is effective against a variety of flying & crawling insects that are commonly found inside trash cans. Here’s how it works. The compact Pod features an adhesive strip for easy & discreet attachment inside garbage cans, trash bins & dumpsters. Once inside, TERRO garbage guard releases a vapor that deeply penetrates the enclosed space to kill visible & hiding insects, as well as prevent new infestations. The specially designed Pod ensures a controlled release, allowing the product to last up to 4 months. That's a whole summer of protection with just one TERRO garbage guard! For your convenience, TERRO garbage guard is also incredibly easy to use. Simply remove the backing from the included adhesive strip & attach the pod to the underside of your trash can lid. Then just close the lid, & let the vapor do its work! This product is designed for use in outdoor or garage trash bins & dumpsters.