INSECTO smoke bombs come in a range of 3 different sizes containing the active ingredient permethrin. Simply light the non-sparking wick, smoke fumes will work their way into all nooks and crannies killing all flying and crawling insects in treated area. Can be used along with Organ-X Desi-Dust & BIOPRO as part of an integrated approach for ultimate control of insects. Not to be used in the presence of people, animals and plants. Use indoors only, arou..