Screw On Mason Jar Lid Organic Fruit Fly Trap (Yellow)Brand: SpeedFreakCNC Color: Yellow Features: Organic Fruit Fly Trap, No Poisons, Kid Pet Family Safe, Easy to Clean Screws on standard 2. 5" mason jar. JAR IS NOT INCLUDED. Made in USA from high quality plastic Customer Supplied: Put a piece of banana in the bottom of the jar to attract fruit flies, or use apple cider vinegar with a touch of dish soap. The soap will act as a sticky layer to grab onto the flies. Special design lures flies in and