Double Wall Vacuum Thermal Insulated Bottle From the Toppoint Design Flow Series. the Mug with Flip Lid is 100% Leak-Free & Easy to Carry. the Inner & Outer Wall Are Made of High Quality Stainless Steel Metal. This Keeps the Drink at the Desired Temperature for a Longer Period of Time. Drink Will Stay Warm Up to 12 Hours & & or Cold Up to 24 Hours. Comes Packaged in a Gift Box. Minimum Quantities Apply.