The materials applied in Sofie trendy backpacks are guaranteed to has strong wear and tear performance as well as leakage tightness, to provide the best longevity for application. The activated-carbon core inside the product can absorb harmful chemicals and pesticides
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Many advanced technologies are adopted in the production of Sofie sport backpack. New technologies in fiber materials, textile dyeing technology, and 3D composite knitting have significantly optimized the overall properties of the product. It does not require batteries and has no moving parts, making it easy-to-use
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In the whole production of Sofie trendy backpacks, the process is highly efficient with the help of advanced machines, such as CNC machine, mold shaping, and stamping machine. The hollow-fiber filter UF membrane with activated carbon offers a high flow rate
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Sofie trendy backpacks is manufactured by our production team using multi-colored elements and manual techniques. This method allows the team to control the quality at every stage of production. It is resistant to both high and low temperatures
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Sofie trendy backpacks is manufactured by going through the following processes: raw material preparation, plastication, mixing, formation, vulcanization, and inspection, and packaging or assembly. Its leak-proof lid, relieving you from the worry about water leakage
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sport backpack featured better trendy backpacks properties, as well as possessed trendy backpacks features. It can effectively filter up to 1500 liters (396 gallons) of water