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About product and suppliers:
        Alibaba.com offers 6,173 paper envelopes mailer products. About 65% of these are mailing bags, 16% are packaging bags. 

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

There are 6,175 paper envelopes mailer suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Malaysia, and Poland, which supply 99%, 1%, and 1% of paper envelopes mailer respectively. 

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

You can ensure product safety by selecting from certified suppliers, including 5,282 with ISO9001, 2,543 with ISO14001, and 2,487 with Other certification.