Size: 500ml Height: 22cm x Diameter: 6.5cm ① HOT/COLD compatible ② A battery is built into the lid, allowing the water temperature inside to be displayed. ③ Includes an inner lid with a tea strainer, allowing you to directly add tea leaves. *While it is designed to keep temperatures for approximately 12 hours for both HOT and COLD, please be aware that the temperature will change over time from the initial temperature. *The battery life is estimated to be 500 days, and it cannot be replaced as it is built-in. Although it is new and unused, it has been taken out of the bag for photography! Please understand that we do not accept any claims or returns! We have many other products for sale, so please take a look!