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About product and suppliers:
        Alibaba.com offers 24 4 flap folders products. About 75% of these are file folder. 

A wide variety of 4 flap folders options are available to you, such as document bag, presentation folder, and clip file. You can also choose from free samples. 

There are 24 4 flap folders suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of 4 flap folders respectively. 

 flap folders products are most popular in North America, Western Europe, and Northern Europe. 

You can ensure product safety by selecting from certified suppliers, including 6 with ISO9001, 1 with BSCI, and 1 with Other certification.