Frm Glimpse-It's The Pee Garden. Been wanting to get my hands on these for ages.
http://www.eroprofile.com/m/videos/view/0037-contesth
http://www.eroprofile.com/m/videos/view/0013-glassesh
PS 5 half pint glasses (not totally full) isn't over two litres like she says it is, but it is over one.