Essential office supplies: envelopes for everyday use Experience the convenience of effortless mailing with our envelopes. Whether for personal or business use, these envelopes offer a hassle-free solution for sending documents, letters, or small items. DL envelopes are commonly used for sending A4 documents folded into thirds, making them an efficient choice for mailing letters, invoices, or promotional materials. They are 220 mm wide and 110 mm long. Crafted from premium paper material, these envelopes offer a lightweight yet sturdy option for document storage. Made with a practical self-seal strip, these envelopes offer an effortless closure option for efficient document handling. With a grammage of 90 gsm they offer a sturdy and reliable solution for securely storing your important documents. Trust our envelopes to deliver your contents securely and in pristine condition. Order yours now!