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About product and suppliers:
        Alibaba.com offers 21,269 poly mailer bag products. About 74% of these are mailing bags, 7% are packaging bags, and 1% are gift bags. 

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

There are 21,197 poly mailer bag suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Hong Kong, and India, which supply 98%, 1%, and 1% of poly mailer bag respectively. 

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

You can ensure product safety by selecting from certified suppliers, including 14,082 with ISO9001, 6,246 with ISO14001, and 2,085 with Other certification.