Keeps Drinks Hot or Cold for Hours: This travel mug is made of high-quality 304 stainless steel with a double-wall vacuum design, free of BPA, keeping your drinks hot for 6 hours and cold for 8 hours to ensure they stay at the ideal temperature for longer. Perfect Sizes: 380ml (12oz), this insulated mug features an elegant, lightweight design, perfect for enjoying coffee, tea, wine, juice, oatmeal, and more. It's suitable for both indoor and outdoor settings, such as home, parties, travel, and the office. Stylish Design: Compact and lightweight, it fits most car cup holders. The silicone sleeve on the cup provides a non-slip grip, while the anti-slip bottom prevents the mug from sliding or tipping over. The wide mouth design makes it easy to clean and add ice. (Hand wash only; not dishwasher safe and not microwave safe.)