- Cute Coffee Mugs Bear Tea Cup is much more heat-resistant than normal glass for the use of borosilicate glass material. Eco-friendly. Heat or Cold Resistant, can suit the temperature from cold ( -20) to hot (140). Double Wall Glass Cute Coffee Mugs Bear Cup Coffee Mugs.MULTIFUNCTIONAL - This can be a personal cute cup used at home and office, it also can be used in restaurant to catch the customer's eyes.Christmas Gift IDEA - The matching cups are a perfect Christmas Gift for all occasions such as Christmas Valentine's Day Easter Weddings or as a birthday present for your girlfriend / boyfriend or parents.WEIGHT AND CONTENT - You can fill in up to 250ml/8.5 oz in each mug. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.