This Blue Coolers branded 20 oz. flask comes in a variety of colors with a convenient snap top lid. This flask is a high end steel, double-wall vacuum insulated design that is durable, stylish and functional...and most importantly it will keep your beverage hot or cold for days. This is the perfect solution to all your outdoor and on-the-go hydration needs at a price that can't be beat. This size is specifically designed to fit in all standard car drink cup holders and is great for coffee or other on-the-go hot or cold beverages.