It says "Kiyomizu-yaki, Kyo-sen" on it. I'm not very familiar with ceramics, but the teacups have a slightly rough texture, characteristic of pottery. A set of 5 ceramic teacups decorated with colorful autumn leaves. - Quantity: Set of 5 - Design: Autumn leaves pattern - Decoration: Gold leaf, colorful patterns - Material: Ceramic - Use: Teacups - Dimensions: 9cm diameter, 5.4cm height *Please note that these measurements are approximate due to being taken by a non-professional.* Thank you for looking.