Custom Logo Double Wall Glass Mug Coffee Tumbler with Lid 350 ml/450ml

 Custom Logo Double Wall Glass Mug  Coffee Tumbler with Lid 350 ml/450ml

• FUN and FUNCTIONAL.double-walled glass mug tumbler create a dramatic "floating liquid" effect when beverages are poured inside. It is made of ultra clear borosilicate glass, which is able to resist temperature differences from -4°F to 302°F (-20°C to 150°C)
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• PERFECT TO SERVE HOT DRINKS. Two walls of borosilicate glass produce an insulating layer that keeps hot drinks hot while remaining cool to the touch outside. Great for serving warm beverages, such as coffee, tea, hot chocolate.
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• PERFECT FOR SUMMER ICED DRINKS. The double wall creats a thermal effect, helps keeping your cold drinks cold and your hot drinks hot for longer periods of time.
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• WASH INSTRUCTION: normal circumtances, no dishwasher, simply rinse with hot water. Clean the bottom gently, avoid brush. otherwise, there might be some water trapped inside the hole and fog up between the two walls.
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• NOTED: You will find a small air-hole (blown hole) on the bottom of this double wall glass product. It won't cause any leaking. This is not a flaw but a safety means to control air pressure between walls.
• Size : 80 x 115 x50mm ,350ML .173g
•            80 x 145 x 55mm .450ML.213g
• The price above is based on blank mug with bamboo lid ,for quantity up to 50pcs can print your logo in 2 colors, the price will be little higher ,please contact support@custommugcup.com for details.