glass cup 1,heat resistant glass 2,FOB SHANGHAI USD0.69/PC 3, 250ml 4,Dishwasher & microwave safe we are heat resistant glass factory corporation and can make glass teapot ,cup with saucer,tea warmer and vase. glass cup 1,heat resistant glass2,FOB SHANGHAI USD0.69/PC3, 250ml4,Dishwasher & microwave safe