Dimensions: 25.75W x 37.75H in.. For indoor use. Harry Potter and the Chamber of Secrets book cover. Frame made of plastic. Officially licensed poster. The Trends International Harry Potter and the Chamber of Secrets Framed Poster is a larger than life version of the second book in the series that changed a generation. This high resolution image is printed onto heavyweight paper and professionally framed in black. Hanging hardware at the back makes it easy to display this officially-licensed Harry Potter and the Chamber of Secrets poster.