Introducing our 500ml Innovation Design Vacuum Stainless Steel Beer Mug With Opener, the perfect addition to your beer drinking collection! Our mug not only keeps your beer cold for hours, but it also comes with a convenient built-in opener. Made from high-quality stainless steel and expertly crafted by our factory, you can trust that you're getting a durable and long-lasting product. Elevate your beer drinking experience with our innovative mug, designed for avid beer enthusiasts.