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About product and suppliers:
        Alibaba.com offers 542 adult unisex brief products. About 30% of these are swimwear & beachwear, 15% are plus size underwear, and 2% are men's briefs & boxers. 

A wide variety of adult unisex brief options are available to you, such as eco-friendly, breathable, and anti-bacterial. You can also choose from spandex / cotton, 100% cotton, and spandex / nylon. As well as from men, women. And whether adult unisex brief is boxer briefs, or boxer shorts. 

There are 460 adult unisex brief suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Pakistan, and India, which supply 86%, 12%, and 1% of adult unisex brief respectively. 

Adult unisex brief products are most popular in North America, Western Europe, and Eastern Europe. 

You can ensure product safety by selecting from certified suppliers, including 38 with Other, 37 with ISO9001, and 23 with BSCI certification.