Keep Drinks Hot or Cold for Hours: Our insulated travel mug keeps drinks hot or cold for up to 4-6 hours. The double-walled vacuum stainless steel insulation and advanced interior seamless technology maintain temperatures, letting you enjoy delicious drinks anytime. Great for hot drinks. Leakproof Design: This travel coffee cup features a safe BPA-free leakproof screw lid with a premium silicone sealing ring, securing your beverage airtight to minimize spills. Won't leak if knocked over or stored in a bag (Note: Check lid is tightly secured before placing in a bag). Also has a splash-proof flip-lid for easy drinking—just open the sip hole. Non-slip Grip & Bottom: Powder matte coated finish and non-slip grip make the thermal mug elegant and comfortable to hold. Rubber bottom prevents sliding and overturning, and keeps quiet when placed on a table. Perfect Capacity: 380ml/13oz capacity with a beautiful shape offers a great user experience. Enjoy coffee, tea, hot drinks, and more anytime, anywhere. 70mm bottom diameter fits most car cup holders and backpack pockets. Best Gift: Reusable coffee cup with powder matte coating is fashionable and stylish. Suitable for indoors and outdoors—outdoor adventure, travel, sports events, car, home, work, parties, school, office, and more. Perfect gift for family and friends.