... cheap laptop bag 1,Customized design details you may want to know. 1, what materials will you used for your design?A. Polyester ... polyester)C. PVC (lower price,durable to use, especially suitble for briefcase laptop bags,etc.)D. Pu (higher price, much more classic ... , suitble for laptop bags,messenger bags,etc.)E. Polyester/Nylon + PVC/PU (more fashional and ...