1. [Material] The clear glass coffee mug is made of heat-resistant and anti-condensation high borosilicate glass, which is more durable and perfect than traditional glass, with a smooth surface and a transparent appearance. The clear glass coffee mug is made of high quality lead-free borosilicate glass, which is safer, safer and healthier food grade. 2. [Multifunctional] The capacity of the cup is 250ml, which is very suitable for daily use. It can be used in coffee mugs, milk mugs, juice mugs, frozen drink mugs and smoothie mugs. 3. [Double-layer thermal insulation] The high borosilicate double-layer glass can protect your fingers from the effects of high temperature and cold, which is very suitable for hot and cold drinks. 4. [Lightweight and comfortable] The 250ml double wall coffee mug is made of thick borosilicate and weighs only 148g / 153g. The mouth of the cup is round and the lips are comfortable. 5. [The best gift] The double-walled glass mug has cute and practical functions.It is a gift for birthdays and any festivals. Particularly suitable for restaurants, businesses, cafes, families and party activities.