Stainless Steel Vacuum Business Mug Gift Box Portable Office Tea Cup High End Annual Gift for Professionals

Product category: vacuum flask Liner material: 304 stainless steel Thermal insulation performance: 6-12 hours Material: inner 304 and outer 201 Shell material: 201 stainless steel Style: straight cup Function: thickening, routine, portable, vacuum, heat preservation, and can be . Capacity: 500ml This universal product is designed for daily use, suitable for a wide range of scenarios. It is made with fine workmanship and strict quality control, ensuring stable performance and good durability. Simple to operate and easy to maintain, it is a practical choice for daily life, meeting your various daily needs.