Raid Crawling Insect Killer kills ants, roaches, spiders, silverfish and crickets Water-based formula is made with a plant-based active ingredient* (*also contains a synthetic active ingredient) Provides effective protection against cockroaches, ants, spiders, crickets, fleas, silverfish, carpet beetles, centipedes and millipedes Can be sprayed directly on the insect Just shake and spray, and let it get to work