Post paperwork securely
Our strong, White Self-Seal Business Envelopes are essential for every office, providing a secure way to post paperwork, invoices, or letters.
Made from durable 90 gsm or 100 gsm paper, these envelopes feature a convenient self-seal strip, speeding up the mailing process for multiple letters. For personalised mailings, choose envelopes with windows to save on labeling costs, or opt for windowless envelopes for sending confidential documents.
Available in bulk boxes for everyday use, our envelopes come in a range of sizes to suit all your office requirements. Available in cost-effective boxes of 250, 500, or 1000 envelopes, with discounts available when you order five or more packs.
The windowless white envelopes ensure documents are securely sealed inside, keeping contents confidential. They come in various sizes, from 110 mm x 220 mm to 324 mm x 229 mm. Our DL envelopes have the opening flap on the long edge, while the C4 and C5 envelopes have the opening flap on the short edge.
For personalised mail, choose our business envelopes with address window. All our envelopes are made from paper sourced from sustainable forests and are manufactured in factories that adhere to environmentally-conscious practices. Delivered sealed in cardboard boxes for instant use, our envelopes are designed to meet all your mailing needs efficiently and securely.
Mail formats to suit every need:
Product FAQs:
What sizes are available for the White Self-Seal Business Envelopes?
White Self-Seal Business Envelopes come in various sizes, including DL (110 mm x 220 mm), C5 (162 mm x 229 mm), and C4 (324 mm x 229 mm).
What is the paper quality of these envelopes?
The envelopes are made from durable 90 gsm or 100 gsm paper.
How do the self-seal strips work?
The self-seal strips allow for quick and easy sealing without the need for moisture. Simply peel off the strip and press the flap to seal the envelope.
Are there options for envelopes with address windows?
Yes, we offer envelopes with address windows for personalised mailings, which can help save on labeling costs. See table below:
How are the envelopes packaged?
The envelopes are available in cost-effective boxes of 250, 500, or 1000 envelopes. Discounts are available when you order five or more packs.
What is the difference between DL, C5, and C4 envelopes?
DL envelopes have the opening flap on the long edge, while C4 and C5 envelopes have the opening flap on the short edge.