<b>TRIPLE INSULATION POWER</b><br>Inner walls are dipped in a copper lining for maximum conductivity to make your cold drink stay cold for over 9 hours while hot drinks stay warm for 3+ hours! <br>And double walled, vacuum insulated tumbler keeps the temperature constant while the copper lining keeps the temperature within your drink even from top to bottom.<br><p><b>IDEAL for CAMPING OR PICNICS</b><br>Modern curved design that is easy to hold. Smooth lips, easy to drink. Includes a versatile top lid for sipping or with a straw. <br>You could pour inside your favorite coffee, Bordeaux, Chardonnay or any other wine. Ideal for champagne, cocktails, juices, beverages, sodas, beer, and other drinks.<br><p><b>ANTI-OVERFLOW</b><br>The rubber gasket, press in lid is 100% BPA-Free and tightly sits in your cup for maximum spillage control. It will reduces any major splashing so your place could stay clean and dry!<br><p> <b>Wonderful gift for your family or your friends. A Complete Tumbler Gift Set includes:</b><br>1 x 12oz Great Wine Tumbler<br>1 x Tumbler Lid<br>1 x Stainless Steel Straw<br>1 x Straw Cleaning Brush<br><p>