Transparent cup material

Avoid collisions and impacts during use to avoid damage to the cup or plastic, which can cause insulation failure or water leakage. Use proper force when tightening the screw plug, and do not rotate it excessively to avoid the failure of the screw. When drinking coffee, tea or beverages frequently, the liner will change color. This is a normal phenomenon. It can be removed with toothpaste and toothbrush... The enamel does not contain lead. 

Choosing uncolored plastics is harmful to glass, enamel, ceramic, plastic, stainless steel. , Iron cups, aluminum cups, wooden cups, paper cups...when we go to the mall to buy water cups, a variety of cups will break into our sights, especially those with bright colors and unique shapes. People like it, and picking and picking is dazzling.