The Zojirushi SM-SF60-WM Water Bottle is a high-quality, vacuum insulated flask designed for direct drinking. It features a one-touch opening mechanism for easy access and is made from durable stainless steel. With a capacity of 600 milliliters, it is lightweight and compact, making it perfect for on-the-go use. The inner surface is fluorine coated to prevent stains and odors, and it is fully washable. The wide mouth allows for easy insertion of ice, and it can keep beverages hot or cold for extended periods.