1.mailing bag. 2.Various size, printing, and thickness are available. 3.High-quality and reputation. 4.OEM service. Q:Why you must choose us?A:A most important reason is---We are the earliest private ownership plastic packing enterprise in shanghai.The oldest workshop is set up in 1995,has almost 20 years history.And the backbone of the workers all have more than 15 years experience.*mailing bag* ...