When you need your coffee hot, or your water cold, look no further than the 18oz Stainless Steel Mug & Tumbler with Slide Lock Lid from the Icon™ Series by Thermos. Equipped with a slide lock drink lid so you can enjoy warm or cold beverages throughout your day. The slide lock lid is leak-resistant when closed and straw compatible when open to enjoy cold beverages. From the Thermos™ vacuum insulation technology, to the Griptec™ molded handle and non-slip base, this mug is truly iconic. Also includes a Lumiview™ lid that provides a clear view of the contents. Fits most standard size cup holders. No detail left behind. Dishwasher safe (top rack dishwasher safe for added convenience.)