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About product and suppliers:
        Alibaba.com offers 12,813 poly mailer envelope products. About 79% of these are mailing bags, 1% are paper envelopes, and 1% are jewelry sets. 

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 12,813 poly mailer envelope suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of poly mailer envelope respectively. 

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

You can ensure product safety by selecting from certified suppliers, including 10,865 with ISO9001, 5,062 with ISO14001, and 1,429 with Other certification.