pockets that burst open and seal the document shut when run through a pressure sealer. Our Relyco pressure seal paper is some of the best available and is 100% compatible with Formax brand pressure sealing machines. Our pressure seal forms range in size and complexity, depending on exactly what kind of fold you want to create and what you need to mail. This paper is designed to work with most laser and inkjet printers. Simply drop a stack of these Relyco pressure seal forms and begin printing. Once printing is done, the paper can be run through a pressure sealer for mailing purposes. Buy your self-mailing pressure seal paper from us today!