These 10 Masso fly catching strips are ready to use and very easy to use. Placed outside or inside your home, the flies (or other flying insects) will be trapped against the strips until they are exhausted. Advantages: Ecological: no use of insecticide, no aerosol Highly effective in eradicating flies and other flying insects Easy to use Features: Composition: rubber, resin, mineral oil (62%) Color: yellow Weight: 108 g Item number: 06275 Packaging: 10 x MASSO fly strips - 06275Delivered in their original packaging