Just heat it in the microwave♪ [New & Free Shipping] Yutapon for Microwave L Size 1 piece Hakugen Earth Corporation ★It originally comes in a box, but will be shipped without the box due to shipping costs. It will be shipped in another box or bag. Instructions are printed on the main unit. ●This product requires a microwave. ●It's a gel-type hot water bottle that provides comfortable warmth just by heating it in the microwave. ●Supports comfortable sleep during the cold season. ●Warmth lasts for about 7 hours. ●Size when in use: 23cm x 35cm. ●Hot water bottle type [Caution] Do not use in the oven or with hot water. ※The main unit does not originally come in a plastic bag, but it is a new, unused item. ※We do not accept price negotiations. Hot water bottle Body warmer Yutapon Warmth activity Sensitivity to cold Sound sleep Improve cold sensitivity Warming Low body temperature Cold prevention