Garden Tech Over'n Out Fire Ant Killer Granules, 11.5-Pound Over'n out fire ant killer granules keep fire ants dead for 6 months and the queen and colony Best for outdoor and residential use only Residual control protects new mounds from forming; broadcast treat using a drop or rotary spreader Treats up to 5,000 square feet Measures 3-inch length by 11-1/2-inch width by 15-inch height