The Bug Ball’s purpose is to catch and hold pesky biting insects that never seem to leave us alone Horseflies, yellow flies, deer flies, greenhead flies and many more biting insects are on the shortlist of insects that the Bug Ball is most effective at eliminating Every Bug Ball is created from heavyduty weatherresistant black PVC and formed into a ball with the signature molded loop on the top and an inflation port on the side The molded loop on the top of the Bug Ball allows you to hang the device from a tree, pole or shepherd’s hook To ensure maximum effectiveness suspend the ball approximately 4 to 5 ft off the ground, the Bug Ball works excellent with Catch Em’ sticky coating