MOST HEALTHY DRINKING WAY Made of 100 lead free borosilicate glass which is known as the purest and safest material to contact with water BNUNWISHs double wall glass coffee mugs are the best choice for your daily drinking PERFECT WORKMANSHIP Mouth blown with delicate postprocessing these double wall glasses tea cups are scratch resistant and more durable to stand the daily use safe to heat in microwave or freeze in the fridge giving a very clear and crystalclean look without any rough spots HAND WASH RECOMMENDED DISHWASHER NOT SUGGEST HUMANITY DESIGN The double walled design creates a dramatic optical illusion and prevents condensation It is safe touch for hot drinks and very friendly for your precious leather or wood table Standing at 58 tall very comfortable to hold GREAT CAPACITY 12oz in volume which is large enough to nicely go with espresso machines or coffee makers yet perfectly sized for espresso tea coffee latte mocha etc SAFE WRAPPED AND IDEAL GIFT Packed in thick pearl cotton and color box to prevent from broken The elegant and stylish glass mugs with gift box packaging could be the ideal gift for your family or friends especially on special occasions such as birthday housewarming wedding parties Mothers Day etc