● Excellent stability with a flat bottom. ● Warms mainly the feet, keeping the head cool, which is the basis for a good night's sleep (head cool, feet warm) type of heater. ● The wavy surface of the hot water bottle increases the surface area to widen the heating area and maintain durability. ● The temperature of the hot water bottle naturally decreases over time, making it very gentle on the body. ● Compatible with gas stoves, stoves, direct fire, and IH cooking heaters. ● The spout is designed for smooth water drainage. ● Product size: (approx.) W230 x D310 x H50mm ● Weight: approx. 700g ● Material: Body = Hot-dip galvanized steel sheet, Spout = Brass, Packing = Synthetic rubber ● Capacity: approx. 2.5L ● Accessories: Spare packing, Hot water bottle storage bag ● Country of origin: Japan