A C7 envelope is specifically designed to fit:
74 × 105mm inserts
Mini cards
RSVP cards
Response cards
Gift notes
Florist cards
Favour cards
Place cards
Small thank you cards
Note cards and handmade mini stationery
Using the correct envelope size helps your smaller cards and inserts sit neatly inside the envelope, giving a tidy, professional finish while helping to protect your stationery during posting.