Window Fly Trap A simple and economical way to get rid of house flies, cluster flies, garbage flies and blow flies. Non-toxic, long lasting and disposable sticky fly traps control pests without poisons or sprays. Glue trap is easy to handle, stays sticky weeks and weeks longer than old fly ribbons. Traps can also be used on tile, metals, wooden surfaces or walls where flies accumulate. Includes 4 traps. Replace traps when full or after two months. Safe for use in food storage areas.