General Information
$0.10, $0.20, $0.50, $1.00, $1.40, $1.80, $1.90, $2.00, $2.40, $2.50, $3.00, $5.00, $10.00, $13.00,$20.00, $50.00.
- Letters, Printed Papers, Small Packets, Literature For The Blind.
| Other than roll form | Maximum: 900mm in length, width and depth combined; greatest dimension may not exceed 600mm. Minimum: 90mm x 140mm. |
|---|---|
| Roll form | Maximum: length plus twice the diameter 1.04m, greatest dimension may not exceed 900mm. Minimum: length plus twice the diameter 170mm, greatest dimension may not be less than 100mm. |
| Postcards | Maximum: 120mm x 235mm. Minimum: 90mm x 140mm. Thickness: not less than 0.25mm. |
| Parcels | Maximum: P: length 1.05m, length and girth combined 2m. XP: length 1.50m, length and girth combined 3m; but for USA (including Puerto Rico): length 1.50m, length and girth combined 2.75m. Minimum: as for letters. |
All air mail items must bear the superscription "BY AIR MAIL". Blue airmail labels are available for this purpose free of charge at all post offices. The label should be affixed to the top left hand corner of the address side of the envelopes or close to the address on parcels and packets (close to each address if it is shown in more than one place on the item). Alternatively the words "BY AIR MAIL" may be written boldly on air mail items. In the case of parcels an air mail label must also be affixed to the Despatch Note if one is used.
All goods sent abroad by post, whether in letter packets, small packets or parcels, must be declared to Customs on special forms available at post offices.
Information on completing the forms
Typhoon / Rainstorm Arrangements
Post Offices will be closed when typhoon signal number 8 or above is hoisted or when rainstorm black warning is issued before the commencement of normal business hours.
For Hong Kong, the address should always include :-
1. Name of addressee,
2. Flat and Floor numbers,
3. Name of building,
4. Number of building and name of street,
5. Name of village, town or district (in CAPITAL LETTERS),
6. Hong Kong, Kowloon or New Territories as appropriate (in CAPITAL LETTERS).

(Postcode system is not in place in Hong Kong)
For Overseas, the address should always include :-
1. Name of addressee,
2. Flat and Floor numbers,
3. Name of building,
4. Number of house or building, name of street,
5. Name of village or town (in CAPITAL LETTERS),
6. The postal district number or postal code, if any,
7. Name of country, state or province (in CAPITAL LETTERS),
8. Name of country (in CAPITAL LETTERS).

Articles that should 'Never Be Posted'
What articles are prohibited?
DANGEROUS ARTICLES
Explosives
Fireworks, Dynamite, nitroglycerin, toy gun caps, detonator, arms and ammunition of any kind, airbags, components for cars
Compressed gases and aerosols
Lighters containing gas, gas cylinders (including camping gas cylinders), aerosols of all kinds, butane cylinders, fire extinguishers
Flammable liquids
Alcohol, gasoline, thinners, lighter fuel, paints, varnishes, enamels and kindred substances which have a flashpoint (closed cup test) below 37.8°C. Those with a flashpoint of 37.8°C and over are however admitted exceptionally subject to compliance with the special packing conditions given in the Post Office Guide
Flammable solids
Matches of all kinds, celluloid film, aluminium alkyls, magnesium, phosphorus, potassium and substances which becomes dangerous when wet
Oxidizing materials and organic peroxides
Substances which yield oxygen readily, bleaching powders, organic peroxides such as hair or textile dyes, adhesives, bleach, components of fiberglass repair kits
Poisons (toxic) and infectious substances
Pesticides, arsenic, cyanide, weed-killers, vaccines, drugs and medicines (except samples of poisons, toxics, drugs and medicines in prescription quantities when packed and transmitted in the prescribed manner), live virus materials, bacterial agents, used intravenous needles
Radioactive materials
Corrosives
Acids, alkalis, wet cell type car batteries, caustic soda, hydrochloric acid, corrosive cleaning liquid, corrosive rust remover or preventive, instruments containing mercury and battery fluid, paint strippers
Other dangerous goods
OBJECTIONABLE ARTICLES
Indecent or obscene communications, prints, photographs, books or other articles; packets bearing grossly offensive, indecent or obscene words, marks or designs
Where to get further information?
Please refer to Section 6.3 "PROHIBITIONS" of the Post Office Guide for further information.