Card is printed on heavy white cover stock. Outside of card reads: Merry Christmas to a very special friend Choose from 15 different sentiments, or if you prefer to leave the inside blank, that's an option as well. Dimensions: Each card has a single fold and measures 5 1/4" x 5 1/4" and comes with an envelope. Please note that square envelopes require more postage in the US. Tip: If you would like to order more than three cards, get the best deal on shipping by combining your card order with a larger item, or a box of up to 20 cards.