Durable Material - The thermos is made of stainless steel for better heat preservation, oxidation resistance and corrosion resistance, healthier and more durable, this insulated bottle is designed to serve you for many years. Say no to disposable bottles and plastic pollution! This BPA-free insulated water bottle is a safe choice for you and the environment. Widely used, its simple design makes it ideal for work, hiking, yoga, travel and all activities of daily life. Easy to carry. With its hole in the cap, hang your thermos easily on your backpack or other surfaces. Plus, it fits easily in car cup holders, bike racks, or hiking backpacks. With its wide neck, you can slip ice cubes or a tea infuser into it, it is perfect for all your hot or cold drinks. You can even add fruit pieces to your drinks. Easy to clean and has a large capacity (500ml)