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About product and suppliers:
        Alibaba.com offers 5,007 paper envelopes mailer products. About 61% of these are mailing bags, 10% are paper envelopes, and 8% are packaging bags. 

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

There are 5,009 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 Western Europe. 

You can ensure product safety by selecting from certified suppliers, including 4,223 with ISO9001, 2,309 with ISO14001, and 1,202 with Other certification.