Color: black [haute couture ceramic inner tank fashion cloth cover], off-white [haute couture ceramic inner tank fashion cloth sleeve]Product category: thermos flaskInner tank material: ceramicThermal insulation performance: 6-12 hoursMaterial: CeramicApplicable scenario: GeneralCustomized process options: heat transfer, laser engraving, silk screen printing, water transfer, water film, 3D printing, 5D printing, paint transfer, internal spray ceramicsApplicable people: generalShell material: 201 stainless steelStamp LOGO: YesApplicable to gift-giving occasions: OthersStyle: with lock, straight cupFunction: thickened, portable, vacuum, heat preservation, customizable, UV sterilizationCapacity: 380ml, 510ml