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About product and suppliers:
        Alibaba.com offers 845 posting mailer products. About 80% of these are packaging bags, 17% are mailing bags. 

A wide variety of posting mailer options are available to you, such as poly, kraft paper, and poly bubble. You can also choose from mailing, shopping, and promotion. As well as from heat seal, self adhesive seal, and zipper top. And whether posting mailer is biodegradable, security, or recyclable. 

There are 845 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 North America, Domestic Market, and Eastern Europe. 

You can ensure product safety by selecting from certified suppliers, including 845 with ISO9001, 845 with ISO14001, and 87 with Other certification.