Ready to use powder that kills ants and their nests Also controls other crawling insects, including woodlice, earwigs and cockroaches Lasts up to 3 months For indoor and out door use Contains: Permethrin Child resistant cap DOFF® Ant Killer is an insecticide powder for use against ants, cockroaches, earwigs, woodlice and other crawling insects in domestic premises. For use indoors and outdoors, on floors, around cupboards, in cracks and crevices, along runs in and around nests, and at points of entry to the property. Supplied in an easy to use 400 gram bottle.