[ and portable] Bottle cap rotating design, there will be a layer of leakage, can prevent water other than the items poured out. It's very easy to use and prevents spills. [Perfect design] Easy to carry, suitable for adults, children, work or school. If you need to work outdoors all day or drive for a long time, this is perfect . [Travel-friendly] The built-in handle makes it easy to carry or hang on your backpack, and the large capacity makes it perfect to use . Take it hiking, biking, camping, or to the gym. Specifications: Type A Colour:White&Gray Material:Plastic + borosilicate glass Package Contents: 1 x Portable Thermoses Bottle 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.