Heat resistant double-layer glass cup, borosilicate glass office coffee cup

Features: The cup is double insulated and air isolated. The whole body borosilicate glass can withstand an instantaneous temperature difference of 180 ° C. Double layer insulation, manual blow molding, explosion-proof and thermal insulation. The edge of the cup is round and won't harm the mouth, with a double-layer design and insulated handle. Exquisite craftsmanship, smooth mouth, transparent, taking care of your lips. Description: The bottom hole of the cup is a double-layer cup hand knotted and flawless. Specifications: Material: Glass Size: 110 * 80 * 50mm Weight: 160g The package includes: 1 piece * glass Attention: Due to manual measurement, please allow for an error of 0-1 inches. Thank you for your understanding. 2. The screen calibration is different, and the color of the items displayed in the photo may slightly differ from the actual object.