Product information:Item No.: Children's Thermos CupStyle: big belly cup, with straw, with lock, straight cupLiner material: stainless steelShell material: stainless steelThermal insulation performance: 0-6 hoursMaterial: Stainless steelStyle: modern and simpleApplicable people: ladies, men, children, general purpose, studentsCapacity: 350mlPackage:Children's stainless steel vacuum flask x1