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155mm Square Callisto Diamond White Envelopes (135gsm)

Sale Price: 

£0.15 (Including VAT)

Availability: In stock SKU: 155155CDW135 Categories: , , Tags: , , , ,
Quantity Sale Price Price Each
1 0.1386 0.1540
2 - 24 0.1381 0.1535
25 - 49 0.1295 0.1439
50 - 99 0.1208 0.1343
100 - 249 0.1122 0.1247
250 - 499 0.1035 0.1151
500 - 999 0.0949 0.1055
1,000 - 7,499 0.0863 0.0959
7,500+ 0.0819 0.0911


Introducing our 155mm Square Callisto Diamond White Envelopes (135gsm), a superb choice for those seeking to impart elegance and sophistication in their stationery. Made from the renowned 135gsm Callisto Diamond White paper, these envelopes are characterised by their brilliant high white colour and smooth texture. The generous 155mm square size is perfect for enclosing various greeting card designs, especially suited for elegant events such as weddings, formal gatherings, and special celebrations. The diamond white shade of these envelopes offers a crisp, luxurious backdrop, enhancing the presentation of your cards and leaving a lasting impression on your recipients.

Product Features:

  • Crisp High White Colour: The radiant high white hue of these envelopes provides a clean and sophisticated look, ideal for occasions that require a refined and luxurious touch.
  • Superior Smooth Texture: The smooth finish of the Callisto Diamond White paper adds a tactile element of luxury, elevating the overall appeal and quality of your stationery.
  • Ideal for Upscale Occasions: Their premium appearance and top-quality construction make these envelopes a popular choice for wedding stationery, high-end greeting cards, and exclusive event invitations.
  • Spacious Square Format: The 155mm square size offers ample space for creative and larger greeting card designs, allowing for an impressive and stylish presentation.
  • Enhances Stationery Presentation: More than just an envelope, the Callisto Diamond White finish adds a level of sophistication and class, enhancing the overall look and feel of your stationery.

Opt for our 155mm Square Callisto Diamond White Envelopes to add a touch of class and distinction to your stationery. Their striking colour, luxurious paper, and large format ensure that your messages are delivered with elegance and style.

Additional information

Size (mm)

155 x 155

Size (cm)

15.5 x 15.5

Size (inches)

6.10 x 6.10

Material Weight




Envelope Size Name

155mm SQ




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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.