Creature Lagoon Monster Holiday Christmas Card + Kraft Color Envelope Size: A2 Greeting Card, 4.25" x 5.5". Blank inside. Kraft color envelope included, size: 4.375" x 5.75" with square flap. Printed in the USA on heavy card stock 100 % cotton paper. Front of card overhangs slightly over the back so the card is easy to open. Packaged in a clear protective sleeve.