Letter Post (check out insured mail)
A letter is defined as a written, typed or printed communication, usually sealed in an envelope, sent by post from one party to another.
Letters can be of a personal, legal or business nature.
Size & Weight Limitations for any given letter post item
Maximum weight: 2kg
Maximum limits (total length + width + thickness): 90cm
Maximum length: 70cm
Minimum size: 9 x 14cm