Outer diameter approximately 78 mm ⚠️ We cannot ship to buyers with fewer than 30 transactions. To avoid trouble and unreasonable situations, we ask for your understanding. ⚠️ Please be sure to read our profile. Many people do not read it, which causes problems. Please read it carefully. ⚠️ This is a used item, so please refrain from purchasing if you are sensitive. ⚠️ We have no knowledge of tea ceremony utensils, so please judge from the photos. The photos show everything included. ⚠️ We offer significant discounts for bulk purchases. ⚠️ Original boxes may not be included. Also, due to age, the boxes and tissue paper may have dirt or tears. The item will be shipped in simple packaging, with the original box wrapped in plastic for water protection. We may black out any notes on the box.