FineDine Insulated Skinny Stainless-Steel Tumbler - 18oz Coffee Tumbler with Flip-Top Lid - Travel Coffee Mug 100% Leakproof Lids - Slim Vacuum-Tumblers Keep Hot & Cold - For Home, Office.

DOUBLE WALL - The only tumbler out there crafted with superior 18/8 stainless steel inside and out.

Double walls keep beverages hot for up to 6 hours and chilled for up to 12! The double wall feature also prevents condensation and burns, retaining the temperature of your beverage inside the bottle.

LEAKPROOF and SHATTER RESISTANT - This drinking cup is absolutely and totally leakproof and shatter resistant.

Safe in backpacks, school bags, in the hands of children, and on your desk at work.

Just right for daily drinking at home, taking walks, and sipping at the office.

FLIP-TOP LID - The tumbler has leakproof lid with a comfortable mouthpiece for hot beverages and for pleasant sipping of cold drinks.

A protective cover shields the mouthpieces from dust and grime.

TRAVEL FRIENDLY - Tumbler fits snugly in all standard cup holders, making it the perfect choice for coffee on early-morning work commutes, long road trips, and boat excursions.

ERGONOMIC DESIGN - The tumbler has a slim, sleek design for an ultrapleasant grip.

Its wide mouth makes it perfect for infusing your drinks with fruit or ice and for effortless cleaning.