Mail sack

A mail sack or mailsack is a mail bag used to carry large quantities of mail.

Different handling and security requirements for different classes of mail is integral to the postal rate structure, and is tied to regulation and rates for the mail under the auspices of the postal rate commission.

单词	Mail sack
释义	Mail sack 英语百科 Mail sack A mail sack or mailsack is a mail bag used to carry large quantities of mail. Different handling and security requirements for different classes of mail is integral to the postal rate structure, and is tied to regulation and rates for the mail under the auspices of the postal rate commission.
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