ship from Japan Size (approx.): 8.3 x 8.3 x 23.5 cm, caliber / 5.5 cm, actual capacity: 500 ml Body weight (approx.): 0.33kg Material / Material: Stainless steel vacuum insulation, SUS316 (inner bottle), silicon bottom rubber, polypropylene Country of origin: China Insulation effect: 6 hours / 69 degrees or more, 1 hour / 87 degrees or more, cold insulation effect: 6 hours / 10 degrees or less