GOOD HEAT STORAGE: Our metal water bottle can maintain the temperature of the inside contents for several hours and prevent the formation of condensation water on the outside of the bottle, allowing you to drink hot water. 'water hot anytime you are away. Good Air-tightness: Stainless steel water bottles are vacuum-designed with built-in sealing ring, so there is no need to worry about water overflows and it is sure to put them in the bag. You can put it in your portable gym bag or travel backpack. SCIENTIFIC DESIGN: The large opening of simple modern water bottles allows for convenient liquid circulation. The large capacity of 450ml / 15.5oz is very suitable for sports consumption. It is suitable for use in school, work, travel and in sporting activities. DIFFERENT COLORS: Insulated water bottles have a total of 2 colors to choose from, white and black. Our stylish and modern water bottle is very convenient to store water, coffee, tea and take it anywhere. Make your hydration easier. HIGH QUALITY MATERIALS: The reusable water bottle is made of high quality material, which is durable and reusable. There is an easy to unscrew cap and a rubber gasket so you can put it on the outside of the bottle for easy handling. Features: GOOD HEAT STORAGE: Our metal water bottle can maintain the temperature of the internal contents for several hours and prevent the formation of condensation water on the outside of the bottle, allowing you to drink water hot anytime you are away. Good Air-tightness: Stainless steel water bottles are vacuum-designed with built-in sealing ring, so there is no need to worry about water overflows and it is sure to put them in the bag. You can put it in your portable gym bag or travel backpack. SCIENTIFIC DESIGN: The large opening of simple modern water bottles allows for convenient liquid circulation. The large capacity of 450ml / 15.5oz is very suitable for sports consumption. It is suitable for use in school, work, travel and in sporting activities. DIFFERENT COLORS: Insulated water bottles have a total of 2 colors to choose from, white and black. Our stylish and modern water bottle is very convenient to store water, coffee, tea and take it anywhere. Make hydration easier. HIGH QUALITY MATERIALS: The reusable water bottle is made of high quality material, which is durable and reusable. There is an easy to unscrew cap and a rubber gasket so you can put it on the outside of the bottle for easy handling. Specification: Item type: thermal mug Material: stainless steel Color: black, white (optional) Capacity: 450ML Diameter: approx. 7 cm / 2.8 inches Height: approx. 20.5 cm / 8.1 inches Weight: approx. 326g / 11.5oz