Thermal Insulation Performance: Keeps your beverages hot or cold for 12-24 hours. Material: High-quality Stainless Steel ensuring durability and a sleek finish. Bottle Type: Efficient Vacuum Design for superior temperature retention. Style: Modern and sophisticated, ideal for professionals on the go. Capacity: Large capacity to meet your hydration needs throughout the day. Origin: Made in Zhejiang, China with premium craftsmanship.