KEEPS COFFEE HOTTER LONGER. All the comfort of your favorite coffee mug is now in a functional tumbler. The Ello Ogden 16oz ceramic travel mug is designed with an insulated silicone boot that keeps contents hot up to 2x longer than a standard diner mug. A splash-proof slider lid allows you to drink right from the ceramic. Drink directly from clean-tasting ceramic. Silicone boot keeps drinks hot 2x longer than a standard diner mug. 16oz capacity designed for the morning hustle. Splash-proof friction fit slider lid. CARE & USE INSTRUCTIONS To avoid spills, do not fill past inside fill line. Use caution if filling with boiling water. Ceramic can be hot to the touch. Wash before use. All parts top rack dishwasher safe. No need to remove boot for cleaning. Mug is microwave safe. Do not freeze. All parts BPA free.