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About product and suppliers:
        Alibaba.com offers 2,842 triangle backpack products. About 23% of these are backpacks, 1% are handbags, and 1% are school bags. 

A wide variety of triangle backpack options are available to you, such as 600d, canvas, and nylon. You can also choose from internal frame, softback, and external frame. As well as from 30 - 40l, 50 - 70l. And whether triangle backpack is free samples, or paid samples. 

There are 2,842 triangle backpack suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of triangle backpack respectively. 

Triangle backpack products are most popular in North America, Mid East, and Southeast Asia. 

You can ensure product safety by selecting from certified suppliers, including 209 with Other, 183 with ISO9001, and 85 with BSCI certification.