6PCS Sandbags Weight Bag for Light Stand Photography Video Equipment,Pop up TentDescription: Material: Sandbag Made from durable nylon material material. Function: Sandbag are useful in the studio to help stabilize your lighting equipment. Application: Counter Balance Sand Bag is for avoiding light stands, C stands or tripods from falling down. Note: This bag comes empty and can be filled with gravel, sand, rocks, or any other materials to add weight. Easy To Store: Small Size and easy to store, fold it up when not in use