Polystyrene 11oz clear plastic CE marked wine glass in a pack of 70. This distinctive style plastic wine glass is conveniently CE Marked at 125ml, 175ml & 250ml, to ensure the correct measure of wine has been poured. If you are a licensed establishment you would really benefit from using this plastic glassware. Manufactured from clear crystal polystyrene material, these polystyrene glasses have great clarity. An excellent solution if you are looking for a safe alternative to glass that is also cost effective they combine both quality and value. Although plastic, these stacking polystyrene plastic wine glasses can be used up to 100 times.