Glass mugs are the perfect middle man – or woman ... Whether you fancy an iced latte or a steaming hot cup of coffee, these double-walled artesano cups can withstand various temperatures ...

Most of JoyJolt’s mugs are double-walled glass, which have two layers of glass ... and adding hot liquid like coffee can cause uneven contraction and expansion of the glass, causing it to ...

meaning this isn’t a mug I would casually throw in my bag. But it’s very nice for taking on walks or bringing coffee-shop brew home. I was initially nervous the glass would be delicate ...