Printed items like magazines, catalogues, newspapers, pamphlets, books and season greeting cards being sent unsealed by airmail. They must be packed such that the contents can be easily examined. Letters are not to be enclosed. If the items are sealed and the contents cannot be easily examined, the letter rate is applicable. Items which are not letters can be sent as parcels.
Examples are machine parts, samples, goods and merchandise.
In general, parels up to 20 kg are acceptable. Strong, rigid containers are recommended to better protect fragile items. Containers are to be sealed with strong adhesive or packing tape and tied with string. The postage can be found in the postage rate table. Some items other than letters, can be posted as small packets.