Secret envelope/ Pin mailer

2-5 plys stick firmly
trilateral cutting lines
perforation various sizes available
for Bank, pin mailer, ATM envelope

Using the sensitizing oil, secure oil, shading and stickup technology reasonably to keep confidential for the information in the envelope, Mainly applies to the bank card matching (such as password), company pay roll etc.

                                       Direct Manufacturer, 

                                Best Price with Good quality, 

                                       Delivery on Time!