Years of scientific research has ensured that these fly trap sticks are highly effective at attracting and trapping multiple fly species. Perfect to use inside or outside your home, garages, barns and more, the non-toxic sticks are ready to use. The disposable fly trap features specially-formulated bait that attracts hundreds of flies while a powerful glue traps them in place. Safe for use around children and pets. Set includes four sticks, each is 2"Dia. x 10 1/2"H with hook on top. Set of 4.