As a leading manufacturer, we proudly present our high-quality Stainless Steel 304 Double Wall Vacuum Mug. Our 350ml Vacuum Coffee Bottle is designed for coffee lovers who are on the go. With its double-wall vacuum insulation, this bottle keeps your coffee hot for up to 6 hours, ensuring you always enjoy a hot cup of coffee wherever you go. Our factory takes pride in delivering durable and reliable products that cater to your daily coffee needs. Trust us to give you the best quality mugs and bottles in the market. Order today and experience the ultimate satisfaction of drinking your coffee from our elegant vacuum coffee bottles.