How to Order 1. Select a tumbler. 2. Select an instrument design and choose a font from "Roman alphabet font" or "Japanese font". 3. Enter the engraving content for the 1st and 2nd lines (engraving on one line is also OK). The price is for 300ml. For 350ml, add 200 yen. For 400ml, add 300 yen. If you plan to purchase 350ml or 400ml, please contact us before purchasing as we will adjust the price beforehand. THERMOS stainless steel tumblers with instrument illustrations. They have heat and cold retention functions and are available in three sizes: 300ml, 350ml, and 400ml. - Capacity: 300ml, 350ml, 400ml - Brand: THERMOS - Heat Retention: Heat and cold retention - Design: With instrument illustrations - Material: Stainless steel Thank you for viewing.