Range de Yutapon Sumikko Gurashi with Cover #Mikan Yutapon [Product Introduction] Simply heat it in the microwave for a comfortable warmth that will thoroughly warm your cold feet. It's a soft and comfortable gel-type hot water bottle. The warmth lasts for about 7 hours. (This is an estimate when used inside a futon. The duration may vary depending on room temperature and usage environment.) Comes with a washable dedicated cover. Can be used repeatedly. *Only the main body and cover will be sent via post (anonymous delivery/Yu-Packet Post). The outer box is not included. If you would like the outer box unopened, please check the following hashtag as it is listed separately. #Mikan Yutapon If you wish to purchase multiple items or combine purchases, please contact us. Due to shipping costs, purchasing up to 4 items individually will be the most affordable option compared to combined purchases. m(_ _)m