Lump sugar is refined sugar which has been pressed or cast into a particular shape. Chemically speaking, refined sugar is ultrapure sucrose which has been obtained from white sugar by dissolution and recrystallization. Its sucrose content is 99.9%. Refined sugar is pure white in color with sparkling crystals. Refined sugar has no secondary odors or flavors. The crystals are readily soluble. Packing in 400g or 40g depends on order ,