Thermos double-wall, insulated travel mug handles extreme heat, extreme cold and rugged treatment. Element 5 Leak Proof Travel Mug keeps your drinks hot for 6 hours or cold for 8 hours anywhere -- from workday lunches and sporting events to mountain climbing and sight-seeing. The Thermos double-wall, insulated travel mug features an unbreakable precision 188 stainless-steel interiorexterior that withstands extreme heat, extreme cold and rugged, heavy use. Leak-proof 360 F drink lid is easy to use and drinkable from any direction. Stainless-steel coffee travel mug includes a comfortable rubberized stainless-steel handle with a sturdy carabiner for instant access attached to briefcase, backpack and other on-the-go gear. The rubberized shock-absorbing base on the insulated travel mug offers extra stability whether you're sipping chilled iced tea on the deck or downing piping hot coffee in the stadium.