ship from Japan Size (approx.): 6.8 x 6.8 x 16.5 cm, caliber / 5.6 cm Material / Material: Main body / stainless steel, inner surface / ceramic coating processing, outer surface / acrylic resin coating processing, lid / stainless steel, polypropylene, spout / polypropylene, packing / silicone rubber Country of origin: China Capacity: 350ml Insulation effect: 1 hour / 86 degrees or more, 6 hours / 63 degrees or more Cold insulation effect: 6 hours / 10 degrees or less Easy-to-use wide mouth type Three-wave shape makes it easy to fit in your hand