Created by Hiroshi Iwahara Very ingenious opening mechanism with TWO secret compartments. Measures 3.54 x 3.54 x 2.52 inches Crafted in January 2015 Made of Shiuri Cherry, Oak, Katsura, Walnut, Padouak, Ancient Katsura, Keyaki (Zelkova). Stamped with the Crafter's hanko Comes with opening instructions and gift box!