Black Flag Spider & Scorpion Killer Aerosol Spray, 16-Ounce KILLS ON CONTACT: Paralyzes and kills spiders fast. CONTROLS SPIDERS AND SCORPIONS: Kills black widow, brown recluse, wolf spiders and scorpions  even kills black widow spiders as they hatch. TARGETED SPRAY: Spray from up to 5 feet away. USE INDOORS OR OUTDOORS: Spray spiders and scorpions directly or spray spider webs and egg sacs. GUARANTEED: Guaranteed to work or your money back. See product label for details. Kills on contact Kills for up to 16 weeks Use indoors or outdoors Kills black widow, brown recluse and wolf spiders