X 高硼硅玻璃 通透好品质，无需预热，承受瞬间温差， 180°C~-20C冷热不惧，易清洁不串味。 Thickened high borosilicate glass Unafraid to temperature difference,resistance to high and low temperature of about 180C~-20C Sudden cold and heat prevent nipture,easy to clean without odor