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About product and suppliers:
        Alibaba.com offers 1,742 a3 document bag products. About 100% of these are file folder. 

A wide variety of a3 document bag options are available to you, such as pp, leather, and pvc. You can also choose from case, folder, and bag. As well as from free samples, paid samples. 

There are 1,742 a3 document bag suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Hong Kong, which supply 99%, 1%, and 1% of a3 document bag respectively. 

A3 document bag products are most popular in North America, Western Europe, and South America. 

You can ensure product safety by selecting from certified suppliers, including 132 with Other, 131 with ISO9001, and 53 with BSCI certification.