The materials applied in Sofie black backpack are guaranteed to has strong wear and tear performance as well as leakage tightness, to provide the best longevity for application. It allows users to drink from rain, river, stream, puddle, etc
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Many advanced technologies are adopted in the production of Sofie canvas backpack. New technologies in fiber materials, textile dyeing technology, and 3D composite knitting have significantly optimized the overall properties of the product. The built-in activated carbon fiber removes almost all the bad water tastes
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In the whole production of Sofie canvas backpack, the process is highly efficient with the help of advanced machines, such as CNC machine, mold shaping, and stamping machine. It has at least a 5-year service life
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Sofie black backpack 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 suitable for camping, hiking, fishing, hunting, and other outdoor activities
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Sofie black backpack is manufactured by going through the following processes: raw material preparation, plastication, mixing, formation, vulcanization, and inspection, and packaging or assembly. It allows users to drink from rain, river, stream, puddle, etc
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canvas backpack featured better canvas backpack properties, as well as possessed canvas backpack features. It is BPA free and can reach the Drinking Water Standards of USEPA