Material: Crafted with high-quality 304 stainless steel Finish: Features a sleek and elegant matte finishing Multi-Layer Construction: The inner layer is designed with a multi-channel insulation coating for maximum thermal performance Exceptional Heat Retention: Keeps 95°C water above 45°C after 10 hours and cold water under 15°C after 10 hours Stylish Design: A perfect combination of style and functionality for all your hydration needs Stay refreshed and stylish with this exceptional insulated bottle.