・ This is a heat-retaining hot water bottle that doesn't require water changes. It can retain heat for up to 10 hours with just 12 minutes of heating. The heat retention time varies depending on the usage environment. ・ The fabric cover uses artificial rabbit fur, which is soft and fluffy. The fabric cover can be hand-washed. - Color: Brown - Heating method: Electric - Heating time: Approximately 12 minutes - Heat retention time: Up to 10 hours - Temperature: Approximately 70°C - Electricity cost: Approximately 2.5 yen per use Please understand that this item is stored at home and will be shipped with simple packaging before purchasing. Thank you for viewing.