Description These security envelopes feature a left window design and self-sealing closure, ensuring your documents remain confidential and secure. The sleek and professional appearance makes them ideal for business correspondence, while the convenient peel-and-seal feature saves time and effort. ideal for sending invoices, statements, and other important documents. Features -Color:White -Material:Offset paper -Size:22.50X11.50X0.05cm/8.84X4.52X0.02in -Security feature: the peel and seal security envelopes ensure the confidentiality of your documents, making them ideal for sensitive information -Elegant design: the white design is simple and elegant, suitable for various occasions, from business to personal use -Daily use: with pieces per pack, these envelopes are sufficient to meet your daily mailing needs -Window design: the left window design allows for easy reading of the content without opening the envelope, enhancing convenience -Versatile use: ideal for storing business mail, bills, checks, and other important documents, making them a versatile addition to your stationeryPackage list: 50 x self-sealing security envelopes