4.25 x 5.5" (A2) folded with blank Interior #110 100% recycled paper with with kraft brown envelope Commercially compostable plastic sleeve Blank inside Snowmen with big tires for buttons, Vikings wearing pompoms, and cats wearing hats — all the joys of winter! Includes my curious discoveries about winter seasons or cats on the back of each card. My cards are for curious people who seek a little something extra from their greeting card purchases. That's why I write my discoveries and stories on the back of each card. Created for curious people who wonder about things, each card includes curious discoveries about cats, seasons, winter, and other curiosities (see photo for card text). Part of the Cats in Hats Collection. Blank for season's greetings of any winter occasion. Also good for Christmas, New Year and winter holidays. Great for cat lovers and history nerds!