DOCUMENT – means any mail item written on paper: certificates, papers, flyers, letters, business correspondence, etc. The maximum size of mail item is 25 * 35 cm, thickness - not more than 2 cm, weight - up to 1 kg.

PARCEL – means a mail item, actual or volumetric weight of which does not exceed 30 kg. The maximum length of all sides does not exceed 150 cm.

CARGO – means a mail items, actual or volumetric weight of which does not exceed 1,000 kg, maximum length is 230 cm, width - 110 cm, and height - 180 cm.

FREIGHT – mean a mail item, actual or volumetric weight of which does not exceed 20 tons and the maximum volume is up to 125 cubic meters.