Fly Relief Disposable Bag Trap, Includes A Patented, Scientifically Developed Attractant, Contains No Harmful Insecticides Making It An Ideal Alternative, Once Flies Are In The Trap, They Drown & Add To The Attractant, Use Fly Relief In The Yard, Kennel, Stable, Barn, Around Horses, Pets, Cattle, Sheep, Poultry, Hogs, Garbage Containers & Any Other Area Where Flies Are A Problem.