I bought too many, so I'm selling: 【Brand New, Unused】 Hakugen Earth Range de Yutapon 2x the size, L size, with box Set of 2 Simply heat in the microwave for comfortable warmth, warming cold feet thoroughly. When used in a futon, the warmth lasts for about 7 hours. Reusable. Comes with a washable, fluffy cover. To save on shipping, it will be simply packaged. The box may be slightly crushed, but there's no problem with the product itself. Can be used for dogs and cats. We use them at home too. ★Please also see my profile.