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About product and suppliers:
        Alibaba.com offers 6,642 poly mailer bag products. About 100% of these are mailing bags, 1% are packaging bags. 

A wide variety of poly mailer bag options are available to you, such as free samples, paid samples. 

There are 6,644 poly mailer bag suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Hong Kong, which supply 98%, 1%, and 1% of poly mailer bag respectively. 

Poly mailer bag products are most popular in North America, Domestic Market, and Oceania. 

You can ensure product safety by selecting from certified suppliers, including 4,139 with ISO9001, 1,911 with ISO14001, and 1,175 with Other certification.