A vacuum flask is a container that uses vacuum insulation technology to delay liquid heat dissipation, with the main function of maintaining stable temperature of hot and cold beverages.

• Vacuum Insulation: Uses glass inner liner material and vacuum layer structure for 6-12 hours temperature maintenance.
• Eco-Friendly: Made of food-grade glass inner liner, wear-resistant and corrosion-resistant.
• Portable Design: Lightweight structure and leak-proof design for easy carrying.
• Multi-Scenario: Suitable for family, workplace, skiing, traveling, and sports.