This is the cup to put inside the tea and water vessel (chayuki). Outer diameter: 4.8cm, Height: 2.5cm It fits perfectly as the inner diameter of the chayuki is exactly 4cm. Unused stock from a closed Buddhist altar shop. Made of stainless steel. There are still several in stock. Please comment if you would like one. ※The tea and water vessel in images 5 and 6 are not included. Thank you. #chayuki (tea and water vessel) #otoshi (inner cup) #Buddhist_altar_supplies #otoshi (inner cup)