Highly recommended for overseas buyers. Save money on shipping and purchase "ready make skins" for heat bag or plush toy. Fill KUBS with your own choice of grains e.g. Cherry Pips, Barley, Lupins, Rice. Ready to fill skins are made with protective lining inside. Simply fill lining with your choice of grain, stitch up lining, stitch up skin and KUBS is ready to be used. Choice of 4 designs.