316 stainless steel thermos cup large capacity vacuum men's thermal insulation water cup high value outdoor portable anti-drop kettle

Product Category: Thermos Cup Material of liner: 316 stainless steel Insulation performance: 6-12 hours Material: 316 stainless steel Applicable gift-giving relationships: juniors, couples, couples, colleagues, friends, elders, classmates, teachers Style: with lifting rope, car cup, bouncing cup, straight cup, with tea leak Function: Thickened, Household, Portable, Vacuum, Insulation, Bounce, Anti-drop, Temperature Measurement, Tea Separation