RESCUE! Non-Toxic Reusable POP Fly Trap Effective at catching common nuisance or filth flies around the home and in agricultural settings Lures hundreds of the most prevalent fly species including house flies, false stable flies, blue and green bottle flies and many others Comes with one packet of water-soluble attractant; gives used 2-liter soft drink bottles a new purpose Just empty the foil pouch into the trap and add water; flies enter through the yellow top cap and drown in the water Made in USA; no poisons or killing agents used