Containers or envelopes designed specifically for sending items through the postal system. Also refers to direct mail advertising materials sent to potential customers.
Derived from 'mail' (from Old French 'male', meaning bag or pouch) plus the agent suffix '-er'. The term became common in the mid-20th century with the rise of direct marketing and specialized postal packaging.
The invention of the bubble mailer in 1957 revolutionized shipping, providing protection for fragile items while remaining lightweight and cost-effective. These mailers enabled the growth of mail-order businesses and eventually online retail by making small-item shipping practical and affordable.
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