Keep your home free of flies and insects with these Rentokil fly killer strips. An attractive, insecticide-free method of killing flies and other flying insects. Flies are attracted to the sticky surface. Rentokil stickers are ideal for home and greenhouse. Part of the Rentokil safer, poison-free range, these strips are easy to use. Just pull out and hang. Hold the product between thumb and forefinger and pull out the killer strip to its full length, avoiding contact with surfaces. Hang the strip, with a drawing pin or cord, in a convenient position away from direct sunlight.