Convenient. Can be conducted any time that suits your schedule. No hassle. No need to empty out the kitchen and store. No need to vacate the premise No odor, no stain, and no fume. High performance. Ensures total elimination of cockroaches. Long lasting control of all types of cockroaches. Gel Baiting is a non-spray system for cockroach control. Proven effective in thousands of homes, offices, restaurants, factories.