ANSWER Hello, it has a 0.667 lbs. weight. Thank you!
By: Niko From: Fairfield, CT Date: Dec 10, 2014
QUESTION Is this made from borosilicate glass (aka Pyrex type glass) which does not get hot?....either from the liquid(coffee/tea) itself or from being placed in the microwave ?
If not, do you have any other product lines that use borosilicate glass to make bowls, plates and/or cups?
ANSWER Hello, This item is not made from borosilicate glass. I have located and confirmed the following items to have been made from borosilicate glass: Item 6017298, 6002480, 580770, 6017021. I hope these are of use to you. Thank you!
By: Lori From: Date: Jan 28, 2014
QUESTION Does this have a seam down the middle of the cup opposite the handle?
Can you heat this in the microwave?
ANSWER Hello, according to the manufacturer this mug has a very light seam. It is microwave safe, as well as dishwasher safe. Thank you!