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About product and suppliers:
        Alibaba.com offers 6,872 cardboard mailer products. About 84% of these are packaging boxes, 9% are mailing bags, and 1% are paper envelopes. 

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

There are 6,872 cardboard mailer suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of cardboard mailer respectively. 

Cardboard mailer products are most popular in North America, Western Europe, and Oceania. 

You can ensure product safety by selecting from certified suppliers, including 2,135 with FSC, 1,992 with ISO9001, and 1,262 with ISO14001 certification.