Vocaloid: Miku Zipper Coin and Mobile Wallet This fun zipper wallet is a fun way to carry around your coins, cards, or even small cellphone! Use this Vocaloid Hastune Miku inspired wallet to carry small everyday items! The small pocket is about 3 x 5-inches with a single zipper closure. Its just big enough for a small mobile phone, your cards, coins, and bills. Carry Hatsune Miku everyday along with your small everyday needs!