High value 316 stainless steel thermos cup octagonal coffee cup portable rope

Product Category: Thermos Cup Material of liner: 316 stainless steel Insulation performance: 6-12 hours Applicable gift-giving relationships: juniors, couples, couples, colleagues, friends, elders, children, classmates, teachers Product quality grade: first-class product Applicable gift occasions: birthday, travel commemoration, graduation, housewarming, party, medical visit Style: with lifting rope, car cup, with lock Function: Thickened, Household, Portable, Vacuum, Insulation, Anti-drop