Featuring a stainless steel inner and outer construction for robust durability, this double-walled 20oz bottle ensures your beverages stay at the ideal temperature, whether hot or cold. Its vacuum insulation technology preserves flavor and freshness. The screw-on, spill-resistant bamboo lid adds an eco-friendly touch while the wide mouth opening allows for easy refilling and cleaning. With its integrated handle, carrying is a breeze. Made with your health in mind, it complies with FDA requirements and is BPA-free. For a lasting use, hand washing is recommended for this sleek, sustainable drinkware.