The product is a vintage 1984 Great Shape Barbie coloring book by Golden Books, featuring Barbie and Ken characters. This paperback book is part of a big coloring book series and focuses on exercises and fitness, making it a unique addition to any Barbie collector's library. With its nostalgic charm and unused condition, this item is sure to appeal to fans of vintage Barbie merchandise and adults who enjoy nostalgia for 1980s pop culture.