Thunder Group Polycarbonate Mug, 16-Ounce While a broken glass may be quickly cleaned up and swept away, it costs any foodservice operation some cash each time a glass shatters Even worse, these broken glasses can begin to add up and affect the availability of clean drinking vessels as service wears on Thunder Group has a novel solution to this issue in its line of polycarbonate drink ware Their 16 Oz Polycarbonate Beer Mugs (PLPCM001) are shatter, break and stretch-resistant and are crystal clear Originated from China