Black Flag Disposable Outdoor Fly Trap, 1-Count, 12-Pack TRAPS FLYING INSECTS: Attracts and traps all major fly species  starts working in minutes. DISCREET DESIGN: Rattan-look design blends into landscape. INCLUDES ATTRACTANT: Fill the trap with water to dissolve the attractant and activate the lure. LEAK PROOF: No-mess disposable trap wont leak. GUARANTEED: Guaranteed to work or your money back. See product label for details.