● Material: High Borosilicate Glass
● Top Diameter: 90mm / 3.54 inch
● Net Weight: 0.7 oz / 20g
● Dilatation Coefficient :3.3
● Temperature tolerance : -20~150 Degree Celsius
Safety using boiled water after freezing with 24 hours.
● Notice: Please do not put this cup into Microwave or high temperature ovens.
We commit 100% guarantee of this product, Would like to resend or refund in case unfortunate broken during shipping period.
● 10 x Small Size Heat Resistant Clear Glass Sacuer for Tea Cup Coffee Mug