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About product and suppliers:
        Alibaba.com offers 687 posting mailer products. About 22% of these are mailing bags, 2% are packaging bags. 

A wide variety of posting mailer options are available to you, such as poly, poly bubble, and kraft bubble. You can also choose from free samples. 

There are 687 posting mailer suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of posting mailer respectively. 

Posting mailer products are most popular in Domestic Market, North America, and Eastern Europe. 

You can ensure product safety by selecting from certified suppliers, including 687 with ISO9001, 687 with ISO14001, and 7 with Other certification.