This is a kyusu styled Cha Hai with a lovely wooden handle.
A Cha Hai 茶海 is also called a "Fair Pitcher" as all the contents of the teapot or gaiwan are poured into the Cha Hai so that it can be distributed evenly to the cups of the tea drinkers.
300 grams shipping weight
***Glass teaware is durable, but it is also fragile. Please make sure to properly warm your glass teaware prior to use to avoid causing thermal shock that may crack the glass.