Heat‑resistant cup can be frozen in the refrigerator, or can be heated on an open flame, even not burst when taken out after freezing in the refrigerator poured into hot water immediately.The maximum temperature it can withstand is 150℃ /302°F, In a low-temperature environment, the lowest temperature is -20℃/-4°F. Feature: 【HIGH‑QUALITY BOROSILICATE GLASS】Heat‑resistant cup can be frozen in the refrigerator, or can be heated on an open flame, even not burst when taken out after freezing in the refrigerator poured into hot water immediately.The maximum temperature it can withstand is 150℃ /302°F, In a low-temperature environment, the lowest temperature is -20℃/-4°F. 【MULTIPURPOSE】Glass coffee cup is suitable for latte, cappuccino, coffee, tea, beer, juice and other hot and cold drinks.Innovative transparent glass, exquisite workmanship, add charm to any gathering occasion. 【EASY TO CLEAN AND DISHWASHER SAFE】Glass coffee cup is safe to use and can be placed in a dishwasher, microwave or refrigerator. After using the beverage, you can easily wash the cup with water and soap by hand, and then wipe it by hand or put it in the dishwasher together with all other dishes, easy maintenance! Specification: Item Type: Water Cup Material: Glass Capacity: 400ml Weight: Approx. 179g-185g / 6.3oz-6.5oz Size: Approx. 13.5x6x6cm / 5.3x2.4x2.4in Package List: 1 x Cup Note: 1. Please allow 0‑1 inch error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.