This popular Pic boric acid roach killer gel contains about 1 oz. Kills cockroaches clean and effectively. Easy to use. The boric acid roach killer gel is effective for commercial, industrial, institutional, and home use. The boric acid's strong formula control roaches effectively over a long period of time. The roach gel can easily be applied to cracks and crevices where other roach traps would not reach. Acceptable for use in apartments, homes, food areas, etc. Made in USA.