Green Earth insect traps offer the customer the very latest in scientific design and innovation. All of the Green Earth traps have been designed and tested by a leading team of entomologists and engineers. They contain no pesticides or poisons and are environmentally friendly. This Reusable Yellow Jacket Trap is designed for long term use. The trap uses a lure that lasts up to 10 weeks and replaces in seconds. Replacement lures are available in packs of 2, giving you 20 weeks of coverage. All instructions are included. NOTE: This trap will not work with paper wasps.