The Nippon Ant Killer System is a clean simple and convenient method of dealing with ant infestations in and around the home It contains two refillable ant traps and a supply of Nippon Ant Killer liquid for quick elimination of ants and their nests without trace The Nippon Ant Killer Liquid acts as a lethal bait for ants Setting the traps is easy - simply pierce four holes in the sides of each trap place a few drops of the liquid in the centre of the traps and replace the lid The system should be used at the first sign of ant activity - normally in early spring Suitable for indoor and outdoor use Use at the first signs of ant activity normally early spring Contains Spinosad