Eurolife - millet ball refill BIO Volume 14 liters - If you have a big size, it can be helpful to have more padding in the cover EURO life Brand: EURO life millet Ball BIO 7 liters (725 g) or 14 liters (1450 g).
I bought this product to fill a bean bag Bean bag Apex for photography and this seems to do the trick. This is yet to be tested but the trade volume, maneuverability and weight seems to me perfect.
