This module will allow you to assign the product quantity in bags and then when you put bags quantity it will default count total quantity based on bags quantity in sale, purchase, inventory & invoicing. If you are selling some products in bulk quantity in the package, pack, bags. For example, a 25kg Sugar bag, so our module useful to add that bag quantity in line and it will auto calculate the final quantity. i,e 5 bags of 25kg sugar bag than auto calculate 125kg in the quantity field.