How to measure for wool - pic heavy!

Thanks so much for this! I'm thinking of trying out some longies but was getting a little baffled by the measurements!! x

This is very helpful - I kept on reading to measure over the biggest nappy but then ended up with woolies too big on the trimmer day nappies, I didn't know people have day and night woolies! Off to organise my stash...

that's great, thanks for going to the effort x