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About product and suppliers:
        Alibaba.com offers 1,957 window stopper products. About 18% of these are other door & window accessories, 18% are door stops, and 9% are door & window rollers. 

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

There are 1,948 window stopper suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and India, which supply 93%, 4%, and 1% of window stopper respectively. 

Window stopper products are most popular in North America, Western Europe, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 690 with ISO9001, 375 with Other, and 153 with BSCI certification.