If you re looking for some great Valentines Thank You Greeting Cards - then Superfine Printing Cards is your choice. The card size is 6.5 x 4.75 or 5 x 7 When Folded and the Envelopes are size A6 or A7 - 25 Cards come in each set 25 envelopes included. - Blank on the inside. These come flat and scored so you can run through your printer easier. They are scored for easy folding.