I liked that when I was looking into them yesterday that they talked about being "dishwasher safe". Good. lol That's just the kind of stuff you hope to have in the dishwasher when your mom stops over.
They're not real glass, knucklehead. They're Pyrex like a glass baking dish. You'd have to be pumping that sucker 400mph to break that thing unless you've got a kung-fu grip coochie........well, on second thought you'd probably snap that fucker just looking at it.