Fill in the Love (TM) Postcards go where no text or email can! Send some thanks with two sets of twelve different customisable postcards to hand to someone, leave on a desk, tuck into a bag-or actually mail. * Use Knock Knock stationery to prove you're not an ungrateful ingrate! * Personalised postcards are more welcome in mailboxes than car-wash coupons * 6 x 4 inches; 24 postcards (2 each of 12 silkscreened designs)