Our pre-cut 147mm Square cardstocks fit perfectly into our 155mm envelopes so this incredibly useful cardstock size is the key to your layered flatboard day invitations, evening invitations, menu cards, table name or number cards....all sorts of stationery items! To create double layered stationery with a thicker 'feel' and 'border' why not team with our 141mm square cardstock printing details on the smaller sized card. We always say, "start with the envelope and work backwards" which is why our Enfolio elements are so carefully considered and sized accordingly. 147mm sqare is a perfect size for invitations. Place additional printed 147mm square card squares behind the main invitation if additional information is required or use different tiered sizes and tie in a little bundle!