Enjoy your favorite beverage even more by having it in the nordic stainless steel-made tumbler. Each FDA-approved bottle is made of BPA-free stainless steel inner and outer. Plus, it is constructed with double walls which gives you vacuum insulation that will definitely keep your drinks hot for up to 12 hours or cold for up to 24 hours. Do not worry about spilling your drinks as this bottle is equipped with a screw-on spill-resistant lid that securely covers its wide mouth opening. To clean this tumbler, make sure to hand wash it after every use.