Hotto Suru Ne Honyarado Pocket Kairo Mini Hot Water Bottle Storage bag (with hot water bottle inside) size: Approximately 14cm x 18cm x 4.5cm thick Hot water bottle size: Approximately 11.5cm x 8.5cm x 4.2cm thick This is a mini hot water bottle and a storage bag with a soft black cat design to put it in. I received this from an acquaintance, but I haven't used it and have kept it in storage. There are no noticeable stains, but it has been stored for a long time, so please understand this before making a purchase. It will be shipped in simple packaging.