【Double Walled Vacuum Insulation】The insulated coffee mug is made with double-wall insulation technology that keeps your drinks hot or cold for hours. Sweat proof, no condensation.【Solid and Eco-Friendly】Our 11 Oz Coffee Mugs are made from premium 18/8 food-grade stainless steel to ensure pure taste and no flavor transfer. This 11 oz coffee tumbler is lightweight and features a clear coating for fingerprint resistance. Nonslip base keeps stainless steel coffee mug from sliding across hard surfaces or clanking against metal.【BPA Free Press-fit Lid】The eco-friendly lid is completely BPA free; silica gasket seals to help insulate and prevent splashes. Please Note – The lid is to keep dust out of drinking and prevent heat/ cold from escaping. It is NOT leak proof.【Classy and Stylish Design】The insulated coffee mug is shaped just like the mugs we use in café with a great handle. Wide opening makes it a breeze for baristas to make your drink in it as well as easy to clean and to drink out of. Rounded handle gives an easy grip to the cup. Classy and durable travel companion; Perfect for indoors or outdoors.【Enjoy Your Drinks Everyday】Our Tiken coffee mug with lid and handle makes every day something to celebrate whether you are going to work or doing some exercise. For any problem or question, please contact us freely. We will ensure you satisfied after-sales service within 24 hours.