Stay refreshed all day with the Mainstays 1L Stainless Steel Insulated Flask, designed for both hot and cold beverages. Featuring a durable double wall vacuum insulated construction, this flask keeps drinks hot for up to 8 hours and cold for up to 24 hours, making it perfect for your morning coffee, afternoon tea, or icy water. The leak-proof lid ensures no spills or leaks in your bag, while the 1-liter capacity is ideal for daily commutes, office use, and weekend outings. Made with high-quality stainless steel, it’s BPA-free, easy to clean, and built to withstand everyday use.