A4 Self-Seal Envelopes

Keep your important documents neat, crisp, and unfolded with these premium C4 mailing envelopes. Measuring 324 x 229 mm, they are perfectly sized to fit standard A4 sheets, certificates, catalogs, and contracts without creasing. Made from durable, high-opacity paper to ensure privacy and protection, these envelopes are an essential staple for everyday office, school, and business correspondence.