Color: 1# white, 2# white, 3# black, 4# black.Product category: vacuum flaskLiner material: 304 stainless steelGift purposes: business gifts, advertising gifts, promotional gifts, conference present, welfare gifts, holiday gifts, awards and memorials.Is it a gift? Yes, business gifts.Thermal insulation performance: 12-24 hoursMaterial: inner 304 and outer 201Packaging specifications: each independent color box packaging, 50 boxes.Applicable scenarios: sports, business, home, car, general, office, outdoor, travel, gifts.Customized process selection: laser engraving, screen printing, paint transfer printing.Applicable people: ladies, men, couples, GM, the elderly, students.Shell material: 201 stainless steelPrinting LOGO: Yes.Style: large capacity, straight cup with tea leakageFunction: portable, vacuum, heat preservation, tea separation.Style: European styleCapacity: 500ml