Fujiyama sake cup by Nousaku Sake cup made entirely of tin. Tin is used for tableware because it is hygienic due to its antibacterial properties, enhances the flavour of drinks and water through its ionic effect, retains cold or heat for longer due to its high thermal conductivity, is resistant to rust and discolouration, has minimal metallic taste and a pleasant mouthfeel, and is soft and easy to work with. Please wash using a soft sponge and a neutral kitchen detergent. Top bore diameter :7.3cm Under bore diameter:2.5cm Hight: 4cm