Cool Mug for Hot Coffee: Stylish and Sleek Stainless Steel and Acrylic Insulated Double Wall Commuter Travel Coffee Mug - 16 Oz Tumbler for Hot or Cold Beverages - Pretty and Lightweight YOU DON'T HAVE TO SACRIFICE STYLE TO HAVE HOT COFFEE: This elegant looking travel mug is as functional as it is beautiful. KEEP YOUR ICED DRINKS COLD: This double walled insulated tumbler will keep your drink at the right temperature for hours! ENJOY THE BEST OF BOTH WORLDS: The stainless steel interior is the perfect material for temperature control, and the sleek acrylic outer layer is comfortable and easy to hold. SECURE LID: The transparent lid has a secure sliding latch and a curved lip for easy drinking. PUSH ON COVER: No more fussing with threaded tops - this top has a secure rubber o-ring inside and push on for a perfectly tight spill-proof fit.