Unused hot water bottle! I bought it and kept it stored (unopened). Please understand that this is stored by an amateur, and please purchase if you are okay with that. Maruka Hot Water Bottle A Ace 2.5L with Bag Color: Plain Beige_Style: Single item Material/Material: [Body] Galvanized steel sheet / [Mouthpiece] Brass / [Packing] Synthetic rubber Body weight: 0.61kg Capacity: Approximately 2.5L Body size: Approximately W29.5 x D21.6 x H7.4cm, Sheet metal thickness: Approximately 0.5mm Accessories: Spare packing, with bag Country of origin: Japan Air adjustment valve cap. Stable flat bottom. Old tradition and new technology, Maruka's hot water bottle! A traditional heating appliance that has existed in Japan since the Genroku era. ● Does not dry out the skin and provides gentle warmth to the body ● Flat bottom for stability and easy pouring ● Can be heated with an IH heater ● Strong against dents with internal support ● Capacity: 2.5 liters ● Old tradition and new technology, Maruka's hot water bottle! A traditional heating appliance that has existed in Japan since the Genroku era. ● Hot water bottles are a "cool head, warm feet" type of heater. Does not dry out the skin and is gentle on the body ● The flat bottom makes it stable and easy to pour hot water. Also, it can be heated with an IH cooking heater ● The wavy surface of the hot water bottle is to widen the heating area by making the surface area as wide as possible. To maintain durability ● Maruka's hot water bottle has "support columns" inside, making it less likely to dent when the temperature drops! ● Spare packing and bag included! ● In China, the temperature of the water indirectly transmitted is as gentle and comfortable as a mother's body temperature, so it was named Tangpo (hot water bottle). It is said that it was transmitted to Japan and became Yutanpo (hot water bottle). Please also check the profile.