Insulation Cup maintenance method

Insulation Cup in the process used to avoid collision and impact, so as to avoid the broken cup body or plastic, cause insulation failure or Water Leakage.Tighten the drain plug force should be appropriate, not excessive force to rotate,so as not to screw thread failure. Often drinking Coffee, tea or drinks, liner will change it is a normal phenomenon, clear the use toothpaste toothbrush can be.