1)two-tone envelope bag 2)pp material 3)A5,A4,FC size 4)different thickness and color for choosing A4 PP two-tone envelope bag,good quality at reasonable price,fashional design,portablePacking:12pcs/opp bag,240pcs/inner box,960pcs/ctnThe thickness can be demanded.Also can be designed customized,it suits for keeping files,bill,etc,often used in office,school,hotel. Economical colorful PP Clear Bag ...