Used a few times, but I'm selling it now because I haven't been using it and have been storing it. Model Number: FFX-901 Capacity (L): 0.9 Heat Retention (6 hours): 80°C or higher Cold Retention (6 hours): 9°C or lower Mouth Diameter (approx. cm): 3.6 Type of Inner Stopper: FFX inner stopper Body Dimensions / Width x Depth x Height (approx. cm): 8 x 8 x 30 Body Weight (approx. kg): 0.39 / 0.36 (without body ring and bottom cover) Packing Unit (by color): 12 pieces per box Manufacturer's Suggested Retail Price: ¥7,150 (including tax)