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About product and suppliers:
        Alibaba.com offers 7,380 silk base closure products. About 64% of these are hair extension. 

A wide variety of silk base closure options are available to you, such as free samples, paid samples. 

There are 7,387 silk base closure suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Vietnam, and India, which supply 95%, 1%, and 1% of silk base closure respectively. 

Silk base closure products are most popular in North America, Africa, and Western Europe. 

You can ensure product safety by selecting from certified suppliers, including 558 with Other, 188 with ISO9001, and 67 with ISO14001 certification.