Our 9" tan ball bungees are made from two heavy-duty elastic bands bound to a single ball. They are designed to connect your tarp to your frame for a snug and secure fit. Feed the bungee through the grommets of your tarp to connect it to the frame. For all your canopy structure's need, both big and small - we have got you covered. 1/5-inch cord diameter (5mm), relaxed length including ball is 9-inches, Stretched length is 12.5 inches