Barrix Catch Fruit Fly Trap (Set of 4 piece)HOW TO USE Open the trap and fix the lure. Hang at 3 to 5 feet from the ground level, preferably under the shade after fixing the Barrix Catch Fruit Fly Lure specially made for this trap into it. Make sure the fixed lure is secure in its placeholder and doesn't oscillate and fall down due to the wind. While installing the Lure use hand gloves or Cary bag. Do not touch directly to Lure. To doubly ensure the trapped flies will not go away from trap