C4 Envelopes Self Seal with Window 324x229mm 90gsm - White 250's

These white C4 envelopes measure 324x229mm and are made from durable 90gsm paper. Featuring a self-seal closure and a transparent window, they allow for secure sealing while clearly displaying address information. Supplied in packs of 250, they are ideal for professional mailing of A4 documents with efficient address visibility.