When you need your coffee hot or your water cold, look no further than the Thermos 18 oz. Icon Vacuum Insulated Stainless Steel Tumbler. It is equipped with a slide lock 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 (straw not included). From the Thermos vacuum insulation technology, to the Griptec non-slip base, this tumbler is truly iconic. It also features a Lumiview Lid that provides a clear view of the contents. No detail has been left behind! Features: Vacuum insulation keeps drinks hot for up to 6 hours or cold for up to 22 hours. Durable 18/8 stainless steel. Lumiview Lid provides a clear view of contents. Griptec base is non-slip, quiet, and soft to the touch. Fits most car cup holders. Top-rack dishwasher safe.