Thank you for viewing. Hey! Say! JUMP x My Melody keychain, brand new and unopened. The keychain size (excluding the chain) is approximately 4.5cm in height and 4cm in width. This is a collaboration item between Hey! Say! JUMP and Seven-Eleven (2015). Shipping will be via Yu-packet Post Mini. Although it is new and unopened, it has been stored for a long time, so please only purchase if you understand this.