Size: Cards 7.5 x 5.2cm, Envelopes 11.9cm x 8.6cm. Includes 8 cards and 8 envelopes. Each card has a different design. Envelopes: Plain, 8 randomly selected pink, blue, and yellow. Introducing a set of eight mini cards featuring Yumi Kitagishi's lovely "dollhouse" illustrations. Each dollhouse is designed like a cross section, making it fun to see the interior and the animals that live inside. Not only can you decorate your room with your favorite card, but the included envelopes make it a great gift idea to use as a message card.