Amdro Powerflex, 2 Pack, Lawn Weed Cartridge, Active Ingredients:7.59% - 2,4-D, Dimethylamine Salt1.83% - Mecoprop-P, Dimethylamine Salt 0.84% - Dicamba, Dimethylamine Salt Controls Dandelion & Many Other Weeds, Kills The Root, Wont Harm Lawn Grass.