My grandpa turned me onto this sure-fire yellow jacket eliminator about 50 years ago when I was just a youngster. I've observed its efficiency in removing all the yellow jackets from our campsite in a matter of a single day and before the week was over the entire campground was free of these hostile pests that make camping and other outdoor activities miserable. This method is NON-TOXIC and for the most part pet and wildlife friendly due to the harmless components that are used to build the "system." There are quite a few commercial products on the market to eliminate yellow jackets but this one doesn't cost anything and I can guarantee its an extremely effective way to rid your yard or campsite of the yellow hoards in just a day or two.