Rescue Trapstik, Catches Common Nuisance Or Filth Flies, Uses New Visilure Technology To Ensnare Flies With Appealing Colors & A Multi-Dimensional Pattern, Flies Are Attracted To The Trapstik & Then Get Stuck To The Adhesive Surface, Odor Free, Pesticide Free, Easy To Use & Hang, Adhesive Holds Up In Hot Weather, Flies Blend In To The Pattern Once They're Caught.