- 200ml "fluitje" (little flute)
- 250ml "pintje" (little pint), often sold in a "vaasje" (vase, a tapered beer glass). This is the typical beer measure: https://nl.wikipedia.org/wiki/Pintje "Het bestelde glas pils heeft doorgaans een inhoud van 25 cl"
They also sell standard bottled beer in 300ml and standard cans in 330ml: https://nl.wikipedia.org/wiki/Standaardglas
I was not aware that 500ml was usual for the Netherlands. It is usual in, say, Germany, where they also sell the 1 litre Maß
That's seems to be the norm in a lot of mainland Europe.