How to use thermos cup

1.  Clean the cup body with neutral detergent before use.   2, when using, add hot water (ice water) first, preheat or precool, better insulation effect.   3.  Tighten the stopper and lid clockwise to prevent leakage.   4.  When drinking, unscrew the cap counterclockwise and press the cork button to pour water.   5, unscrew the cork can be directly put into large ice storage.