Made of double layer pure titanium for enhanced durability and insulation performance. Keeps beverages hot or cold for 12-24 hours with double-wall vacuum insulation. Lightweight design makes it easy to carry, perfect for on-the-go use. Resistant to acid, alkali, and corrosion, ensuring long-lasting use. Unique biophilic properties of titanium ensure no heavy metal precipitation and maintain the original flavor of beverages. Name: pure titanium thermos cup/water bottle Material: double layer pure titanium Capacity: 420ML Insulation performance: 6-12 hours Functions: conventional, household, portable, vacuum, thermal insulation, anti-fall Color: Sky Blue/ Rouge Red/ peacock Green/ Starry Gray The surface of the cup is made of high-temperature crystallization process, which has texture, is more beautiful, and is not easy to leave fingerprints. Titanium does not undergo chemical reactions with any food, and can largely maintain the original flavor of food and beverages. Titanium has a low density, and titanium cups of the same size are lighter than stainless steel cups, making them easy to use and carry. Package Contents: 1x cup Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.