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About product and suppliers:
        Alibaba.com offers 2,520 postage mailer products. About 62% of these are mailing bags. 

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

There are 2,520 postage mailer suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of postage mailer respectively. 

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

You can ensure product safety by selecting from certified suppliers, including 2,520 with ISO9001, 1,771 with ISO14001, and 375 with Other certification.