Excellent Temperature Retention: Copper-coated vacuum insulation keeps your drinks hot for 8 hours and cold for 10 hours, ensuring your beverages stay at the perfect temperature all day long. Durable & Modern Design: Crafted from premium 304 and 201-grade stainless steel with a scratch-resistant, sweatproof exterior and anti-slip diamond grip for secure handling. Leakproof & Easy to Use: Leakproof, airtight screw-on lid with a splash-resistant, easy-sip top for a convenient, mess-free drinking experience on the go. Safe & Non-Toxic Materials: Made with food-safe, BPA-free, and non-toxic materials to keep your drinks pure and safe. Sophisticated & Functional: The elegant powder-coated matte finish adds a touch of style while offering the perfect combination of practicality and elegance for your everyday adventures.