The body of the glass teapot is made of glass. Currently, most of the market is made of heat-resistant glass such as , and the filter and the lid are made of heat-resistant glass or stainless steel. High borosilicate glass or stainless steel metal is a food-grade green material that consumers can safely drink.
Use salt and toothpaste to wipe off the tea rust from the cup. First, soak the scrubbing tool such as gauze or paper towel, then apply a small amount of edible salt with a damp gauze, and wipe the tea rust inside the cup with a gauze dipped in salt. The effect is remarkable. Squeeze the toothpaste on the gauze and use a toothpaste to scrub the cup that has been stained. If the effect is not significant, you can squeeze some toothpaste to wipe it. After rinsing with a cup of salt and toothpaste, it can be used.