Hakugen Earth Relax Yutapon Tenori Warm Steam Sumikko Gurashi Shirokuma (Polar Bear) Used a few times. No box. Will be shipped via Yu Packet Post Mini. Product Details ● Simply heat in the microwave for about 30 minutes of pleasant warmth. *Duration varies depending on room temperature and usage environment. ● The generous steam from adzuki beans and ceramic gently warms your hands, etc., helping you to relax. ● Palm-sized. ● Can be used repeatedly 365 times.