Our products are environmental and high-transparent, with no mark of mold. They are lead-free, chrome-free, easy to be cleaned and shock resistant. Their intensity is 5¿C6 times greater than normal glass tableware. When they are dropped from a height of 1.2 meters onto a concrete floor, they woní»t crack or chip. Our products are able to withstand temperature as high as 662 Fahrenheit, and rapid heating and cooling within a range of 180 degree. They are ideal accessories for microwave, oven and dishwasher. Bubble bag, safe export packing