Studio Oh! 24 Count Snail Mail Postcard Book, Thank You Studio Oh Snail Mail Thank You Postcards are colorful, quick and convenient to send; postcards measure 6.5 x 4 Inch Each postcard book comes with 24 different, cleverly-designed postcards giving you oodles of options for saying "thank you" The postcards have space to write a brief personal note, are printed on heavy card stock using soy-based inks and are also recyclable And, because sometimes it's fun to let someone know you're thinking of them, there's a Studio Oh postcard book featuring 24 quirky and wry witticisms Studio Oh's extraordinary collection of finely crafted and cleverly designed journals, planners, home and kitchen accessories is available on Amazon