Black Flag Fly Paper Insect Trap, 4-Count TRAPS FLYING INSECTS: Once they land, they never leave. STICKY PAPER: Contains natural and synthetic resins in mineral oil on paper. USE INDOORS OR OUTDOORS: Long-lasting protection from flying insects in the home or around the porch, patio or garden. ALSO CONTROLS GYPSY MOTHS: Use the paper to wrap the trunks of affected trees. GUARANTEED: Guaranteed to work or your money back. See product label for details. Catches all flying insects Once they land, they never leave