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About product and suppliers:
        Alibaba.com offers 4,952 paper envelopes mailer products. About 61% of these are mailing bags, 7% are packaging bags, and 1% are packaging boxes. 

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

There are 4,952 paper envelopes mailer suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% 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 3,851 with ISO9001, 1,992 with ISO14001, and 815 with Other certification.