Sofie two zipper side casual backpack wholesale for college
The product has the advantages of oxidation resistance. All components are welded seamlessly with stainless steel materials to prevent the chemical reaction. Constructed out of dirt-proof materials, the product is easy to clean
This product features robustness. The metal material is well known for its robust property especially when exposed to strong impact, it is not easy to bend or crack. The product can maintain seam strength with a certain workload
casual backpack
SPECIFICATIONS
Its ergonomic shape can distribute the weight evenly. It has the perfect craftsmanship of inner lining, seams, and stitching. The fabric used is naturally antimicrobial and can effectively resist the growth of bacteria.
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Inspections for Sofie soft backpack will take place during and after production. During production, the product will be checked for sewing quality (seams, stitches, and openings), and physical properties (resistance to tearing, shrinkage, color fastness) after production. The product sells well in Europe, North America, and South America regions
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The design processes of Sofie soft backpack are of professionalism. These processes include recognition of its need or purpose, selection of a possible mechanism, analysis of forces, material selection, design of elements (sizes and stresses), and detailed drawing. It can guarantee perfect touch performance
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Sofie soft backpack goes through comprehensive testing to ensure quality. These tests cover workmanship, safety, stability, strength, impacts, drops, and so forth. It produces considerably lower electric, magnetic, and electromagnetic fields than CRTs
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Sofie soft backpack has been tested for many times. It has gone through tests for colorfastness, wearing resistance, softness, bending, load-bearing capacity, and tensile strength. The product uses the same amount of power, regardless of the content and colors displayed
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A wide variety of manufacturing machines are applied in Sofie casual backpack production. They are mainly spreading machine, cutting machine, hemming machine, needle detector, sewing machine, flatlock machine, ironing machine (or electric/steam iron), etc. The product has the advantage of fingerprint resistance performance
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casual backpack breaks through the limitations of soft backpack which creates a new world of soft backpack. The product ensures perfect brightness