Style: with carrying ropeInner liner material: 316 stainless steelOuter shell material: 201 stainless steelInsulation performance: 6-12 hoursMaterial: 316 stainless steelStyle: modern and simpleFunction: thickened, conventional, home use, portable, vacuum, insulation, customizable, anti-fallGift purpose: business gifts, advertising gifts, promotional gifts, conference gifts, welfare gifts, festival giftsApplicable holidays: Christmas, Valentine's Day, Spring Festival, Father's Day, Mother's DayApplicable gift-giving relationships: couples, elders, children, classmates, teachersProduct quality grade: first-classApplicable people: ladies, men, couples, general, studentsApplicable scenes: sports, wedding, business, home, car, general, Christmas, Spring Festival, office, outdoor, travel, gifts, school, other holidaysPackaging specifications: single color: red, green, purple, wine red, white, black, black (smart model), white (smart model), wine red (smart model), red (smart model), purple (smart model), green (smart model)Capacity: 500ml