A pink hot water bottle that can be heated in the microwave and provides warmth for approximately 8 hours. - Product Name: Chinshite! Yutanpo (Heat it Up! Hot Water Bottle) - Features: The perfect hot water bottle for nights when you can't sleep due to cold feet. - How to Use: Heat in the microwave. - Usage Time: Keeps warm for approximately 8 hours. - Contents: Pink hot water bottle body Thank you for viewing.