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About product and suppliers:
        Alibaba.com offers 13,819 poly mailer envelope products. About 81% of these are mailing bags, 3% are packaging bags, and 1% are paper envelopes. 

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

There are 13,921 poly mailer envelope suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Malaysia, and Hong Kong, which supply 98%, 1%, and 1% of poly mailer envelope respectively. 

Poly mailer envelope products are most popular in North America, Domestic Market, and Eastern Europe. 

You can ensure product safety by selecting from certified suppliers, including 12,978 with ISO9001, 6,008 with ISO14001, and 3,381 with Other certification.