RESCUE! YJTD-W Disposable Yellow Jacket Trap, West of The Rockies (2 Pack) Rescue Disposable Yellow Jacket Trap Western Catches all major species of yellow jackets common to North America The trap consists of a two-layer durable plastic bag with a scientifically designed molded plastic entry structure that prevents escape A powerful water-soluble attractant is included; you simply add water to the trap and hang it outside Attractancy lasts for weeks, with no rebating necessary Package includes total of 2 traps