This officially licensed Mad Hatter top hat will finish off your Alice in Wonderland Mad Hatter costume. This adult's cotton / poly blend green velvet-like top hat includes an oversized felt "In this style 10/6" patch. A yellow polyester band with felt maroon circles and molded buckle add authenticity to the hat. An adjustable strap inside hat brim ensures a secure and comfortable fit. The brim is approximately 5" in width and the overall hat diameter is 18" and it is approximately 11" tall. To get the full height of the hat, there is an interior zipper that hides an extra section that you can stuff. Add this amazingly detailed hat to any Mad Hatter costume for an authentic appearance.