The Aichiw AI-DS13 is a versatile 400 ml thermos mug designed to keep your favorite drinks at the right temperature. It features double-wall insulation that works for both hot and cold beverages, ensuring your coffee stays warm or your water remains chilled during your daily activities. Constructed from food-safe, corrosion-resistant stainless steel, this black mug is built for durability and hygiene. An integrated infusion system allows you to add fruits or herbs directly into the drink, while the leak-proof lid prevents accidental drips in your bag. The ergonomic handle makes it comfortable to carry, making it a practical choice for anyone who wants a reliable companion for their commute or office desk.