C6 Envelopes | The Envelope People

A6 Envelopes
Throughout the years, C6 envelopes have been a firm favourite for greeting card manufacturers, wedding stationers, and hobbyists alike. Due to their popularity, there are a huge number of colour, texture, style, and weight options available.
C6 envelopes measure 114mm x 162mm. A6 greeting cards, or card blanks, are perfect in size for C6 envelopes. A6 size is A4 folded in half and then half again. They are similar in size to standard postcards.

The C in the name C6 originates from the ISO 216 standard. This was established in 1975, and soon standardised paper sizing throughout the world. When trying to match a paper or card size to an envelope, always think of envelopes as C and paper or card as A. So, if you had an A6 card blank, then you would need a C6 envelope. If you had an A5 card blank, then you would need a C5 envelope.

Common Uses of C6 Envelopes
C6 envelopes have many uses and are used in a whole array of applications. Most greeting card sizes go through phases