A C6 envelope is specifically designed to fit:
- A6 cards (105 × 148mm)
- Half A5 inserts
- Greeting cards
- Thank you cards
- RSVP cards
- Save-the-date cards
- Small invitations
- Note cards and handmade stationery
Using the correct envelope size helps your cards and inserts sit neatly inside the envelope, giving a tidy, professional finish while helping to protect your stationery during posting.