I purchased this at an online shop. It has never been submerged in water. ☀︎ Material: Ceramic ☀︎ Size: Approximately 8.5cm diameter x 9.5cm height ■ Due to the manufacturing process, there may be areas of peeling on the bottom or chips on the rim. Please understand this in advance. <Handling Instructions> ・Please refrain from using in a microwave. ・When washing the vessel, do not scrub it vigorously. (This may cause the water-repellent treatment to peel off.) "Regarding White Vessels" Leaving dark-colored foods (such as coffee or soy sauce) for extended periods may cause stains. If discoloration is a concern, bleaching will help restore it to some extent. - Material: Ceramic - Color: Beige - Type: Kyusu (Japanese teapot) Thank you for looking.