Product Filters
Material Weight

133mm x 184mm Black Envelopes (100gsm)

£0.10 (Including VAT)

Availability: In stock SKU: 133184BLK100 Categories: ,
Quantity Price Each
1 0.1032
2 - 24 0.1028
25 - 49 0.0964
50 - 99 0.0900
100 - 249 0.0835
250 - 499 0.0771
500 - 999 0.0707
1,000 - 7,499 0.0643
7,500+ 0.0611


Add a touch of sophistication to your mailings with the 133mm x 184mm Black Envelopes (100gsm). These striking envelopes ensure your messages are received with a sense of elegance and distinction.

Feature Highlights

  • Jet Black Colour: The deep jet black hue adds a sleek and professional touch to your mailings, making them perfect for business correspondence, formal invitations, or special announcements. This classic shade exudes sophistication and reliability.
  • 133mm x 184mm Size: This versatile size is ideal for sending greeting cards, invitations, or small documents, providing a polished and professional appearance for your important dispatches.
  • 100gsm Quality Weight: Crafted from 100gsm paper, these envelopes provide a substantial quality weight, offering a reliable shield for your contents during transit.
  • Gummed Closure: The gummed flap guarantees a straightforward and secure sealing process, keeping your contents safe and sound.

Elevate your mailing experience with the 133mm x 184mm Black Envelopes (100gsm). Their deep colour and superior construction promise a premium experience for both the sender and the receiver.

Additional information

Size (mm)

133 x 184

Size (cm)

13.3 x 18.4

Material Weight




Envelope Size Name

133mm x 184mm




There are no reviews yet.

Only logged in customers who have purchased this product may leave a review.

Product Colour Variations
Please note; our commitment to sustainability may result in slight variations in colour shades with our products. Due to their nature, colours can vary slightly from batch to batch. The colours you see on screen can depend on your screen colour set up, and also certain computers that have light detection. We strongly suggest to request a sample from us, which is completely free. However, we offer a full 30 day money back guarantee on all of our standard stock products if you are not completely happy. You can find out more here.

Envelope Flap Variations
We take pride in using eco-friendly processes in the manufacture of our envelopes. Please be aware that some envelopes might have slight variations in flap design from the product photos. This is due to our continuous effort to reduce waste and use available resources responsibly. This doesn’t compromise their functionality or quality.

Peel & Seal Designs
Some of the designs on our peel & seal envelopes can vary. This relates to the branding printed on the inside of the envelope (if any) and also the branding on the peel & seal strip. This doesn’t compromise their functionality or quality.