These are Karmi Tea Canisters by Gato Mikio Shoten. Gato Mikio Shoten was founded in 1908 in Yamanaka, Ishikawa Prefecture. Yamanaka is the largest lacquerware production area in Japan. Karmi Tea Canisters won a silver medal at Designpreis Deutschland 2012. https://www.shokunin.com/en/gato/karmi.html