Introducing our latest innovation, the 500ml Innovation Design Vacuum Stainless Steel Beer Mug with Opener. Designed with practicality in mind, this beer mug not only keeps your beverage cold for longer periods of time, but also features a convenient built-in opener for added convenience. Made from high-quality stainless steel, this mug is durable and easy to clean, making it the perfect choice for any beer lover on the go. As a factory, we take pride in producing functional and stylish products that enhance your everyday experiences. Order yours today and enjoy your favorite beverages in style!