Come and see our amazing products. This Envelope is made of double offset paper. It is ideal for standard business and legal documents and sensitive correspondence, manufactured for easy printing, labeling, or hand-addressing, perfect for quick, mass business mailings. You can also customize the logo or size as you want. The price includes the shipping cost to ca, QTY over 10000pcs by ocean. Pls confirm further with us if any query about packing info, inventory status and time schedule.