Raid Fly Ribbon catches flies indoors or outdoors. Easy to use Warm tube in hands to facilitate removal of the ribbon. Remove the thumbtack and carefully set aside. Hold the red loop and pull down the tube slowly with a twirling motion until the ribbon is fully exposed. Hang the ribbon by placing the thumbtack through the red loop and place anywhere flies are a nuisance. Raid is a registered trademark of SC Johnson, used under license.