Contains 2 Lures & 2 Sticky Bases.moths Lay Eggs In Developing Fruit Flowers, Producing Grubs Which Eat The Centre Of The Growing Fruit Leaving Behind Unpleasant Frass.these Refills Are ideal to be used With Our Plum Moth Trap, So You Can Use It Again & Again.long Life Pheromone, Lasts The Whole Season.pesticide Free, Safe For Beneficial Insects.placein Plum Moth Trap & Position In Trees In Early May.traps Have Restricted Opening To Prevent Birds Getting Caught.remove The Trap By The Beginning Of September & Dispose Of The Lure & Sticky Insert. Trap Can Then Be Cleaned & Used Again With A New Refill The Following Year.