[Upgrade]Insulated Tumblers with Lid, 250ml Travel Coffee Mug Stainless Steel Vacuum Thermos Cup, Leak Proof Reusable Double Walled Coffee Tumbler for Iced and Hot Drinks Feature： 1.Coffee cup is made of double-layered 304 stainless steel with vacuum insulation. 2.Coffee cup is 250ml, both compact and exquisite. The slim design provides a better grip and makes it a convenient travel coffee cup that you can easily carry with you. 3.The tight-fitting flip lid design offers superior leak-proof functionality compared to other open designs. The lid, equipped with a silicone ring, securely fastens to the cup by twisting, eliminating liquid spills more effectively than traditional press-on lids. 4.Coffee cup features a high-quality matte finish that not only enhances its aesthetic appeal but also provides sweat-proof and anti-slip properties. Package including： 1 * Insulated Tumblers with Lid After-sales service: If you have any questions or anything you feel unsatisfied, please feel free to contact us by E-mail. We will be happy to solve for you within 24 hours.