Introducing our 640ml Double Wall Insulated Tumbler with Straw and Lid! Perfect for keeping your drinks hot or cold for hours on end, this tumbler is made from high-quality materials and features a double-wall insulation design that provides outstanding temperature retention. With a convenient screw-on lid and durable straw included, this tumbler is the perfect choice for on-the-go use. As a factory, we are committed to producing high-quality products that meet the needs of our customers, and this tumbler is no exception. So why wait? Order your 640ml Double Wall Insulated Tumbler with Straw and Lid today and enjoy your favorite drinks in style!