The Giottos Deluxe Sandbag (2.2 lb) is made of high-grade, high strength 1680d nylon double jacquard fabric. It has an internal frame, a handle attachment, and a hidden cord that can be tied to the center column of your stand.
This is a two section, saddle-style sandbag. Each section weighs 1.1 lb (0.5 kg), for a total of 2.2 lb (1 kg).
Waterproof, with hook and loop type fasteners
When in use they can be connected in series, to add to the total weight.