3.5G = 180 USD 7G = 320 USD 10G = 450 USD Customers â the will be sent uncooked, vacuum sealed, and sent in a plain package which will fit through any size letterbox.Customers â the will be sent uncooked, vacuum sealed and then put inside an MBB bag. This is necessary because it allows the item to be sent as a completely flat and smooth normal business letter which will fit through any size letterbox. The high price of postage for international orders reflects the time, effort and skill which goes into preparing an international letter.Tel/ wbpcoltd