Throw it in your backpack. Toss it in your truck bed. Drop it on a rock. This mug is built extra tough to take on anything, and will still keep your hot drinks hot and cold drinks cold. It’s QuadVac™ insulated, 100% leakproof and virtually indestructible. The large cap handle makes it easy to carry and open, and the smooth outer lip design lets you drink more comfortably.