Pattern:BottleIdeal for users who are active and constantly on the go this vacuum insulated bottle keeps beverages hot or for 24 hours.Unique lid lock and sipper.SS 304 rustproof quality steel.However it is not suitable for carbonated drinks as they may wear out the inner body of the flask. Fill the flask completely to maintain the temperature. Cleaning instructions: easy to clean and maintain use a mild detergent or dish wash liquid and clean inside with a bottle brush. Do not use very rough cleaning sponges or bleaches as they may damage the flask by leaving scratch marks. Also keep the flask open when not in use to avoid any odor.