Heat-resistant double-walled glass, 230ml capacity, perfect for maintaining the temperature of your drinks. - Product Name: Double Wall Pair Glass - Heat Resistance: 120°C - Full Capacity: 230ml - Size: Diameter 7.5cm, Height 8.4cm - Material: Borosilicate glass I am selling this as I have no opportunity to use it. It has been stored at home, so please understand. I have opened it once for the purpose of taking photos for the listing. It will be shipped via Mercari delivery with simple packaging. Thank you for looking.