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About product and suppliers:
        Alibaba.com offers 2,380 3m closure products. About 3% of these are hair extension. 

A wide variety of 3m closure options are available to you, such as free samples, paid samples. 

There are 2,356 3m closure suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Pakistan, and United States, which supply 94%, 4%, and 1% of 3m closure respectively. 

m closure products are most popular in North America, Western Europe, and Eastern Europe. 

You can ensure product safety by selecting from certified suppliers, including 383 with ISO9001, 93 with Other, and 52 with ISO14001 certification.