Bat Magic Place Packs use natural ingredients to humanely repel bats from confined spaces in your home. Convenient bat control scent packs are ready to use when they arrive and long lasting. To use, simply place around your home in spaces like attics, crawl spaces, wall voids, shutters and other places bats may hide. Package includes 4 scent packs for use around your home. Bat repellent pouches use a unique blend of peppermint and spearmint oils to produce a smell that naturally repels these pests without causing them harm. When used as directed, long-lasting scent will deter bats for weeks. For full use instructions, please see product label.