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About product and suppliers:
        Alibaba.com offers 2,820 back seal side gusset bag products. About 44% of these are food bags, 11% are packaging bags, and 1% are gift bags. 

A wide variety of back seal side gusset bag options are available to you, such as free samples, paid samples. 

There are 2,743 back seal side gusset bag suppliers, mainly located in Asia. The top supplying countries or regions are China, Hong Kong S.A.R., and Thailand, which supply 99%, 1%, and 1% of back seal side gusset bag respectively. 

Back seal side gusset bag products are most popular in North America, Domestic Market, and South America. 

You can ensure product safety by selecting from certified suppliers, including 400 with ISO9001, 231 with Other, and 41 with ISO14001 certification.