1. How to calculate the unfolded size of the paper bag?
Unfolded length: 2 x length + 2 x width + 1.6 ~ 2cm(gluing)
Unfolded width: height + 3.5 ~ 5cm (folding inside on the top) + 0.5 * width + 2cm
As a leading China paper box manufacturer and supplier, Shanghai DE Printed Box is a China medium-sized custom paper box manufacturer and packaging solution provider with facilities around 100,000 square meters in total. The company exclusively specializes in the supply and export of the custom paper boxes, including the paper printed box, corrugated printed box, cosmetic paper box, rigid paper box, cardboard gift box and custom paper bag. If you have any questions about the custom paper box, or would like us to give you a price quote, please do not hesitate to contact us by giving us an email.