This Hydration tumbler is designed to make staying hydrated and maintaining a healthy lifestyle wherever you go even more appealing. The tumbler is a double-walled and vacuum-sealed stainless steel construction that will maintain optimal temperature of both hot and cold beverages for longer, with cold drinks staying insulated for up to 24 hours and hot for up to six. The double wall also means the exterior will stay a comfortable temperature to hold, while a sturdy Tritan lid easily slides open and closed for one-handed drinking. The bottle is suitable for a standard size cup holder and is BPA free for peace of mind. Styled with a shock of colour, this bright yellow bottle is a fashion accessory as well as an excellent quality piece of drinkware. Perfect for taking smoothies, herbal teas or any hot or cold refreshment, this tumbler is ideal for taking with you for a nourishing boost in the car, on the commute or anywhere on the go.