The BX100 LYRECO mailing envelopes are practical and reliable envelopes for sending documents, papers, and other materials in C4 size. The envelopes are made of high-quality 100gsm typewriter paper with a self-adhesive closure. They offer secure protection for your mail and ensure that the contents arrive safely at the recipient. The white mailing envelopes have a smooth surface that is ideal for printing addresses and other information. Thanks to the strong adhesive closure, the envelopes can be closed easily and securely without the need for additional tape. The BX100 LYRECO mailing envelopes are available in a pack of 100 and are ideal for everyday office use, home offices, or sending business correspondence. With these high-quality mailing envelopes, you can be sure that your documents will be well protected and sent professionally.