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About product and suppliers:
        Alibaba.com offers 23,969 poly mailers products. About 75% of these are mailing bags, 7% are packaging bags, and 1% are packaging boxes. 

A wide variety of poly mailers options are available to you, such as poly, kraft bubble, and poly bubble. You can also choose from bag, thermal. As well as from free samples, paid samples. 

There are 23,902 poly mailers suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Hong Kong, and India, which supply 98%, 1%, and 1% of poly mailers respectively. 

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

You can ensure product safety by selecting from certified suppliers, including 17,232 with ISO9001, 11,502 with ISO14001, and 5,934 with Other certification.