For every bottle you buy, ERA will donate €3,- to Peter Singer's charity: The Life You Can Save (https://www.thelifeyoucansave.org/ for more info)
To attain the one and only ERA Dopper:
1. Fill in this form
2. Transfer €9,- (for members) or €11,- (for non-members) to NL20ABNA0454631731 in the name of 'Wijsgerige Faculteitsvereniging ERA Rotterdam' indicating your name and 'ERA Dopper' in the description.
3. You can pick up your Dopper from the ERA office, on weekdays during 10:00 and 15:00!