Stacking heat-resistant glass mugs

Country of origin: China Material: Body: Borosilicate glass Product size: 9.8cm x 7.5cm x 12.9cm Contents: 1 piece Type: None ●Product name: Heat-resistant glass appliance ●Heat-resistant temperature difference: 120℃ ●Usage classification: For boiling water and microwave ovens Dishwasher safe Microwave safe Oven NO! No open fire! ●After use, wash with dish detergent and dry. ●Please keep out of reach of children. ●When using for the first time, wash with dish detergent ●Do not use a scrubbing brush or cleanser ●Do not wash by twisting strongly from the inside ●Use a sponge with a handle ●Do not heat or cool rapidly ●Wipe off external drips when cooking and do not use cold water to pour water ●When the glass part is hot, do not touch it with a wet cloth or place it in a wet place ●Do not drop