Individual odorant pouches can be placed in any enclosed space up to 10 cubic feet to deter flying or crawling insects, rodents, snakes, etc. from intrusion or nesting. Multiple bags may be used for larger areas. Pouches remain effective for 6 months to a year. USE FOR: GARAGE, BASEMENT, PANTRY, ATTIC, UNDER SINK, BARNS, SHEDS. DETERS: Ants, Roaches, Mice, Rats, Spiders, Termites, Etc.