This is a sake cup from "Sansaku," a sake ware manufactured by Sasage Kogyo Co., Ltd. It is a new, unused item, but it has been stored in its box for several years, and there may be some scuffing on the box. The sake cup itself is in perfect working condition. Size: φ57×H50mm / 90g (varies by product) Capacity: 37cc (1.25 us fl oz) when full (varies by product) Material: Body = Stainless steel (SUS304), Base = Acrylic resin (clear acrylic) * The base can be removed and replaced. Manufacturer: Sasage Kogyo Co., Ltd. (Nagaoka City, Niigata Prefecture) We are also selling guinomi (sake cups) separately, so please take a look.