The 4 Pack Sandbags Weight Bags for Photography is a set of sturdy sandbags designed to be used with cameras, light stands, canopies, and tripods. Each bag is capable of supporting a load of 5-9 kg and features a 1/4" screw top fastening for easy attachment. With a folded size of 11.8 inches and dimensions of 11.8"D x 10.6"W x 23.2"H, these black sandbags are lightweight at 1.5 pounds and offer stability and security for your photography equipment during use.