· Vacuum Insulated: Double-walled, vacuum insulated stainless steel construction keeps beverages hot or cold for hours.· Convenient Size: Generous 40oz capacity is perfect for staying hydrated throughout the day.· Durable and Portable: Rugged stainless steel tumbler with BPA-free lid and reusable straw for on-the-go convenience.· Versatile: Ideal for water, iced tea, coffee, smoothies, and more.· Easy Care: Hand-wash recommended for lasting use.