150mm Square Blank Euro Flap Envelope


Our premium 150mm square euro flap envelopes (150 x 150mm to fit 140 x 140mm square stationery) are manufactured in Australia from carefully selected paper stocks using the distinct deep-V flap.

Need further support? Drop us a line via our chat or email if you have questions or need assistance with placing your order or check out our FAQ here.

SKU: ENV-SQ150-BLANK Categories: , Tags: , , , , ,


Envelope address printing:

We can print our envelopes on both the front and back. In order to do this, please follow these easy steps:

  1. Place the blank envelopes you’d like to be printed into the shopping cart
  2. Go to our selection of envelope addressing designs here
  3. Select your preferred design and complete the drop-down selections (minimum order is 20)
  4. Once both the blank envelopes and the envelope addressing designs are both in your cart you may go ahead and complete the purchase
  5. You’ll receive a form to complete with your nominated addressing information
  6. Our team will provide you with a set of pdf proofs to check prior to sending to print

Please note:

Colours are indicative only and may not be an accurate representation of the card colour as all monitors and screens display colour differently. If you are concerned about colour, we highly recommend ordering a sample.


  • C5: 162 x 229mm (to fit A5 stationery)
  • C6: 114 x 162mm (to fit A6 stationery)
  • Square: 150 x 150mm (to fit 140 x 140mm stationery)
  • 11B (RSVP): 90 x 145mm (to fit 80 x 135mm stationery)

Our paper stocks

We’re always updating our range to give you the best and most up-to-date palettes. Download our paper stock guides here.

Our print finishes

To get a better understanding of the various printing finishes we offer for our product range, please see our helpful explanation here.

Custom enhancements

We offer a huge range of enhancements to make your invitation suite truly unique and memorable, check out our guide here.

Additional information

Dimensions15 × 15 cm


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