AUTOSEAL Stainless Steel Vacuum Insulated Mug Smartly designed to retain temperatures, stylishly designed to go anywhere, Contigo offers a wide array of travel mugs to keep beverages tasty longer. Perfect for a road warriorâ€TMs commute or a hikerâ€TMs outdoor adventure, sip on-the-run with style and confidence. Features: > 100% spill & leak proof > One handed operation > Vacuum-insulated technology keeps beverages hot for 4 hours, and cold for 12 hours. > Constructed with a double wall and stainless steel inside and out for maximum performance. > BPA free Size: 470 ml (16oz)