Invisible roach bait that controls roaches for up to 2 years. Bait is carried back to where other roaches are hiding. Also kills ants, Asian ladybeetles, booklice, carpet beetles, crickets, earwigs, pillbugs, silverfish, stinkbugs, and more. Innovative puffer applicator makes it easy to apply. Non-staining, dry formula penetrates deep into cracks, crevices, and voids where gels and bait stations can't reach. No odor and no mess.