Comes with 4 complete traps Lasts 3 months Use these non-toxic, long lasting and disposable sticky fly traps to keep flies down -- without poisons or noxious sprays. SpringStar's BioCare Window Fly Traps catch 30% more than competing brands, are easier to use, and far, far more attractive in homes. Flies are naturally attracted to windows in homes, especially cluster flies. The flies then reach a sticky end on the Window Fly Traps. Glue trap is easy to handle, stays sticky weeks and weeks longer than old fly ribbons. Attractive pattern hides insects as they are caught on the trap. Effective against house flies, cluster flies, garbage flies and blow flies. Removes cleanly from window when full of flies. Simple, effective and easy to use.