75 Pack – Slate Grey Square Pearlescent Envelopes. Peel/Seal Wallet Flap. Grey 120gsm Pearl Finish. 155mm x 155mm.


Slate Grey ColorSono Sheen 120gsm Peel/Seal Square Pearlescent Envelopes. 155mm x 155mm To Fit 6 inch Square Inserts. A dark intesity that is almost black. Symbolises contruction, stability and strength. Value Pack Of 75.

1 Packs In Stock

Current Price:


Quantity Discount Your Price
1 - 2 £18.00
3 - 6 6% Saving £17.00
7+ 10% Saving - Best Value £16.25
SKU: S4/SLATE/PSW/75 Categories: , Tag: Brand:

Pack of 75 Slate Grey Square Pearlescent Envelopes. 155mm x 155mm Peel/Seal Grey Wallet Envelope. 120gsm Pearl FSC Sustainable Paper. Fits 6 inch Square Inserts.

A dark intesity that is almost black. Symbolises contruction, stability and strength. Our ColorSono Pearl range will add a touch of class to your mailing, the pearl sheen on the outer side of this grey envelope ensures the recipient knows that something special lies inside. View the full range of pearlescent colours and sizes available here.” Take advantage of an in built 10% or more discount off the single unit price when you buy one of our value packs. Also available individually, top up with any extras you need to get the best price. Sold as a pack of 75 from just £ 0.17p each.


Need to match this grey/slate grey square wallet envelope with a colour reference?

See our colour guide below…

* As a result of the nature of computer monitors, colours shown on screen are indicative, and they may not match exactly the colors of the actual product. Having envelope manufacturing machines that work at high speeds combined with the variability of the raw paper itself can result in size inconsistencies, tolerances for manufacturing are +/- 2mm in any direction. If in doubt, please contact us prior to ordering.

Need Advice On This Slate Grey Wallet Flap Square Pearlescent Envelopes Pack ? Contact Us.

Contact us today and we can offer advice, recommendations and alternatives to make sure you get the perfect envelope for your occasion, or see all the colours for this range in this size here

Call Us - 01903 685000

Slate Grey 155mm x 155mm Square Pearlescent Envelopes Specifications

  • Height: 155mm
  • Width: 155mm
  • Weight: 120gsm
  • Flap Type: Peel/Seal
  • Flap Position: Flaps Closed
  • Harmonisation Code: 48171000
  • Material: FSC Sustainable Paper
  • Brand: ColorSono Sheen
  • GTN-13: 5056237169589
  • MPN: PM40-25155
  • Pack Quantity: 75 Envelopes

Envelope Features

High Sheen | Pearlised Finish | 120gsm | Royal Mail Letter Postable | FSC Sustainable Paper

Where To Use This Envelope

Special Occasions | Wedding Stationery | Greeting Cards | Party Events | Gift Vouchers

ColorSono Sheen Slate Grey Colour Reference Guide

Pantone: 432
CMYK: cmyk (29%, 12%, 0%, 72%)
RGB: rgb (51,63,72)
Hex: #333F48

Sizing Guide Notes For Choosing The Perfect Pearlescent 6 Inch Square Envelope Pack

Our 6 inch square pearl envelopes are 155mm x 155mm in size. They are designed to fit around 6 inch square inserts and are a traditional favourite, typically for wedding invitations. They all come with a straight edge peel/seal strip and are available in a wide range of shimmering colours. Comes in a handy value pack of 75, with a built in discount.

Need Inspiration? View Our Complete Range Of Square Coloured Envelopes & Square Stationery

Gift/Place Card Coloured Envelopes
All Pearl 120gsm 155mm Square Peel/Seal | 220mm Square Peel/Seal | 160mm Square Peel/Seal | 155mm Square Gummed | 130/135mm Square Gummed
Extras For Square Card Stationery
Square Card – 6″ Square 148mm Square 123mm Square | Square Card Blanks – 6″ Square 148mm Square 123mm Square | 155mm Cello Bags | 130mm Cello Bags

Weight 525 g
Dimensions 15.5 × 15.5 × 0.01 cm
Base Colour

Colour Name

Slate Grey


155 x 155mm

Internal Fit

Pack Quantity



Paper Weight

Seal/Flap Style