Heavy Weight label. Kills wasps, yellow jackets, and hornets on contact. Jet spray reaches nests up to 20' away. Spray residual kills insects returning to treated nest. Water-based so it is nonflammable and will not stain house or barn siding with an oily residue. 18 oz aerosol can. Contains: 0.20% Tetramethrin and 0.20% Sumithrin.