This hydration water bottle is designed to make staying hydrated and maintaining a healthy lifestyle wherever you go even more appealing, while also reducing your plastic footprint with its reusable design. A double-walled, vacuum-insulated body is made of 18/8 stainless steel which insulated cold drinks for up to 24 hours and hot for up to 6 hours. The double wall also means the exterior will stay a comfortable temperature to hold, while perfect seal technology ensures that the lid is leak-proof and will not fail. Perfect for taking water, smoothies or any hot or cold refreshment, this bottle is ideal for taking with you for a nourishing boost in the gym, on the commute or anywhere on the go. a sophisticated design, this model is visually impressive as well as functional with a sleek shape, matte black finish and the Built logo etched in silver. The bottle is suitable for a standard size cup holder to sit comfortably on car journeys.