From the non-slip Griptec™ base to superior vacuum insulation and durable True-Coat™ finishes. the Icon™ Series by Thermos is a celebration of what's made us thrive for over a century: Meticulous design. thoughtful engineering. and a relentless desire to make people's days easier. every time. Also equipped with a Dura-seal™ 360˚ drink lid to keep up with your busy day. No detail left behind. Not for use with hot liquids. Dishwasher safe (top rack dishwasher safe for added convenience.)