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About product and suppliers:
        Alibaba.com offers 1,789 glass training cup products. About 1% of these are feeding supplies, 1% are mugs, and 1% are cups & saucers. 

A wide variety of glass training cup options are available to you, such as free samples, paid samples. 

There are 1,791 glass training cup suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Vietnam, and India, which supply 99%, 1%, and 1% of glass training cup respectively. 

Glass training cup products are most popular in North America, Southeast Asia, and Mid East. 

You can ensure product safety by selecting from certified suppliers, including 228 with ISO9001, 57 with Other, and 6 with ISO14001 certification.