Rechargeable Cordless Hot Water Bottle Lasts up to 8 hours with 15 minutes of charging - Brand: nuku² - Model Name: Cordless Soft Warmer - Color: Green - Power Consumption: 360W - Power Supply: AC100V 50/60Hz - Size: Main unit: 23 x 28 x 5cm Insulation cover: 28 x 28 x 27cm - Heat Retention Temperature: Approximately 55℃ - Electricity cost (approx.): About 2.5 yen per use It will be shipped in a box. If necessary, we will also wrap it with cushioning material, so please feel free to let us know.