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About product and suppliers:
        Alibaba.com offers 9,674 lace closure 4x4 products. About 79% of these are hair extension, 14% are toupee. 

A wide variety of lace closure 4x4 options are available to you, such as free samples, paid samples. 

There are 9,674 lace closure 4x4 suppliers, mainly located in Asia. The top supplying countries or regions are China, Vietnam, and Hong Kong S.A.R., which supply 96%, 2%, and 1% of lace closure 4x4 respectively. 

Lace closure 4x4 products are most popular in North America, Africa, and Western Europe. 

You can ensure product safety by selecting from certified suppliers, including 314 with Other, 296 with ISO9001, and 68 with GMP certification.