The Thing-a-ma-bobber has taken over the nymph fishing world! These water-tight plastic bubbles are the ultimate strike indicators. The medium sized version is 3/4 in diameter and comes with a loop hole for running your leader through. The Thing-a-ma-bobber is easy to attach, easy to adjust, easy to cast and floats forever! We sell Thing-a-ma-bobbers in a 5-pack of assorted colors.