Marimekko Blue Bottle Kiyosumi Mug This mug is being sold for a limited time starting June 14th (Friday) to commemorate the 60th anniversary of "Unikko," one of the most iconic designs of "Marimekko." The "Kiyosumi Mug" is a long-selling item since Blue Bottle Coffee first arrived in Japan. The Blue Bottle Coffee-colored "Unikko" design is on one side, and the bottle logo is on the other. The simple and refined design will brighten up your coffee time at home. Unopened.