What fabric should be used for school bags
Fabric-All imported ultra-high-density 600D nylon. Strong resilience. All fabrics can only be used after passing the waterproof and decolorization test and can withstand polishing up to 6000 revolutions. Hard and durable. Zippers-All zippers have passed the honed test. According to statistics, each student uses the zipper of the schoolbag about 25 times a day on…