Hi
The mesh I have Is 1"x1/2" so they should be ok had this size before with them and seemed all ok, I still have 13 budgies downsized them from 26.
Rob
Hi all just getting back into the zebs after a few years, still have some budgies in a split flight but am goin more to zebs with some gentle nudgeing of My mate! (Zebba d) his name on this forum.