KUPO WRAP & GO SHOT BAG The new solid construction shot bag with non-slip strap design allows to weight down light stands by just wrapping around the stand base. The premium shot bag made of 1000 denier black textured Nylon also offers a variety of use included offset a boom arm, wrap around tripod or light stand bases, or hang midway on a stand handle to offset the weight of something. The 2mm steel balls are pre-filled and sealed up with the bag which makes it dense weight and never leak. The compact size design also makes the shot bag easy to carry, pack and does the job perfect.