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About product and suppliers:
        Alibaba.com offers 33,555 extension size products. About 8% of these are hair extension, 1% are power cords & extension cords. 

A wide variety of extension size options are available to you, such as free samples, paid samples. 

There are 33,555 extension size suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of extension size respectively. 

Extension size products are most popular in North America, Western Europe, and Eastern Europe. 

You can ensure product safety by selecting from certified suppliers, including 4,388 with ISO9001, 2,778 with Other, and 970 with ISO14001 certification.