【Comfortable Warmth】 The Koro Maru hot water bottle warms up in about 15 minutes. It's the perfect item for the cold season. 【Long-lasting Heat Retention】 It can be used for approximately 8 hours, making it ideal for combating nighttime chills. Warming it up before bed will support a comfortable sleep. 【Easy-to-Use Design】 With its cute bear design, it blends in with any interior. It's also easy to carry, so you can use it anywhere. - Product Name: Koro Maru Hot Water Bottle - Color: Orange - Power Supply: AC100V 400W - Size: Approximately 30cm x 30cm - Usage Time: Approximately 8 hours - Heating Time: Approximately 15 minutes - Weight: Approximately 1.5kg Thank you for viewing.