How to choose a good quality bags? firstly, we have to check the materials if it could meet our demand, then we will check the workmanship, from the workmanship, we could find out how about the bag factory, not good sewing, lots ofthrum of the bags, we could say it is waste the materials in such factory. A good bag factory will make sure the good workmanship for the bags, they pay attention to all of the details when producing the bags, when we get the bags in the hand, we could not find any defect for the workmanship.