The Quality 6×9 IN Security Envelopes are designed for secure and reliable mailing. These self-sealing envelopes provide an extra layer of protection for your important documents and items. The white color adds a professional touch to your letters and packages. With a size of 6×9 inches, these envelopes are ideal for various business and industrial applications. The 10 count pack ensures you have enough envelopes for your mailing needs.