High-Quality Material: Crafted from SUS 304 stainless steel for superior durability and rust resistance. Temperature Retention: Keeps drinks hot or cold for extended periods, ensuring optimal refreshment. Double Wall Insulation: Advanced vacuum insulation technology maintains temperature for hours. Leak-Proof and Spill-Proof: Secure lid design prevents leaks and spills, making it perfect for travel. Stylish Design: Sleek and modern appearance, available in various colors to match your style.