2.5L Large Capacity, Fully Prepared for Travel This hot flask is designed with 2.5L capacity to provide sufficient water storage space, and it can also replenish water outdoors, enough to meet the water replenishment needs of 3-4 people in the outdoor family for one day. Not only can it be used to hold hot water, it can also be used to hold coffee and hot soup, meeting all the needs of your family travel. Long-lasting Heat Preservation, Warm with You Our 2.5L hot drink flask adopts a 6-layer structure design, and the layers of vacuum seal lock the water temperature, effectively reducing heat loss. The outer cover of the kettle is designed with deep threads, and the inner cover is made of thickened rubber rings, which are double sealed and watertight. The heat preservation time is as long as 12 hours. Outdoors in winter, you are not afraid of the cold, so you can drink hot water at all times. Safe Drinking Water, Care for the Health of the Whole Family Strictly select high-quality 304 stainless steel, which fully meet the drinking water use standards, are resistant to corrosion and high temperature, the surface is smooth and easy to clean, and does not produce any odor. The lid is made of food-grade PP material, which does not produce any harmful substances. It can be used directly as a water cup for outdoor travel, escorting the drinking water health of you and your family. 2 Lids Design, Intimate Care Our large capacity 2.5L Vacuum Insulated Bottle adopts 2 lids design, a smaller inner BPA-free secondary lid plus a 2-layer (BPA-free PP inner with stainless steel outer shell) lid! Both BPA-free lids can be used as cups to drink directly. When you take this insulated bottle out, you don't have to worry about forgetting to bring a cup.