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About product and suppliers:
        Alibaba.com offers 6,187 paper envelopes mailer products. About 67% of these are mailing bags, 8% are paper envelopes, and 1% are cooler 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 6,187 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, Eastern Europe, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 5,370 with ISO9001, 2,400 with ISO14001, and 2,388 with Other certification.