耐熱雙層隔熱玻璃杯(包過濾胆）（大號）Double layer heat resistance glass with filter (L)

Material 材料： Borosilicate glass 高硼硅玻璃
Size 尺寸： 450ml. Please see the attached photo  請參看附圖。
This glass is non-toxic 此玻璃杯不含有毒、有害物質。
Remark 註 :  A hole on the bottom of glass to release gas inside, not defective
杯底有一個孔作玻璃內放氣之用途，並非次貨。