... bags (softer hand-feeling, less wrinkle, higher price than polyester)C. PVC (lower price,durable to use, especially suitble for briefcase laptop ... , suitble for laptop bags,messenger bags,etc.)E. Polyester/Nylon + PVC/PU (more fashional and leisure style)( Can make the special ... how many colors of the pattern, Metal is extra fare.C. Quantity: The more the quantity, price is relatively more cheap ...