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About product and suppliers:
        Alibaba.com offers 7,358 poly mailers products. About 100% of these are mailing bags, 1% are packaging bags. 

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

There are 7,354 poly mailers suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Hong Kong, which supply 98%, 1%, and 1% of poly mailers respectively. 

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

You can ensure product safety by selecting from certified suppliers, including 4,465 with ISO9001, 2,028 with ISO14001, and 1,549 with Other certification.