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164mm Square Callisto Diamond White Envelopes (135gsm)

£0.21 (Including VAT)

Availability: In stock SKU: 164164CDW135 Categories: , , , Tags: , , ,
Quantity Price Each
1 0.2130
2 - 24 0.2123
25 - 49 0.1990
50 - 99 0.1858
100 - 249 0.1724
250 - 499 0.1592
500 - 999 0.1460
1,000 - 7,499 0.1327
7,500+ 0.1261


Introducing our 164mm Square Callisto Diamond White Envelopes (135gsm), an outstanding selection for those who value elegance and sophistication in their stationery. Constructed from premium 135gsm Callisto Diamond White paper, these envelopes feature a brilliant high white colour and a smooth texture. The substantial 164mm square size is ideal for a range of greeting card styles, particularly suited for grand occasions such as weddings, gala events, and significant celebrations. The diamond white shade lends a crisp, luxurious backdrop to your cards, enhancing the overall presentation and leaving a memorable impression on your recipients.

Product Features:

  • Brilliant High White Colour: The envelopes’ striking high white shade exudes a clean and refined look, perfect for settings that demand a distinguished and elegant touch.
  • Luxurious Smooth Texture: The smooth finish of the Callisto Diamond White paper adds a sense of tactile luxury, contributing to the high-end quality of your stationery.
  • Perfect for Elegant Occasions: Their exquisite appearance and superior build make these envelopes a favoured choice for wedding invitations, formal greeting cards, and special event stationery.
  • Generous Square Size for Versatility: The 164mm square format provides ample space for creative and large greeting card designs, ensuring a grand and stylish presentation.
  • Elevates Stationery Presentation: More than just an envelope, the Callisto Diamond White finish enhances the overall presentation and experience of your stationery, adding a level of sophistication and class.

Choose our 164mm Square Callisto Diamond White Envelopes for their unmatched elegance and quality. Their striking colour, luxurious paper, and spacious size ensure that your special messages are delivered with a sense of distinction and style.

Additional information

Size (mm)

164 x 164

Size (cm)

16.4 x 16.4

Size (inches)

6.41 x 6.41

Material Weight




Envelope Size Name

164mm 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.