Kupo KG089011 Shot Bag 15 Lbs for light stands and booms. Drapes perfectly over the legs of any light stand. Premium shot bag made with black cordex textured nylon and a water resistant polyurethane coating on the inside. 2mm size steel balls are encapsulated into the bag making this bag dense to help weigh down stands and offer counterweight to any boom. Loading weight is noted on the bag.