Swim nappies

I am on the hunt for a good swim nappy. DS will be starting swimming lessons next term, so I thought I better start looking for one and order now. Anyone have any recommendations? Looking at them online, I wonder how they manage to contain anything. We don't want any floaty bits in the pool!

We used the monkey doodlez ones and loved them

I'm happy with my Happy Babes one. You can adjust the waist and legs with snaps and make them snug enough that nothing could float out. They aren't meant to hold liquid, but when I take it off, there's always a big gush of pool water, so you can tell it's effective.

i have imse vimse and love it, has gussetts around the legs

i havent used any other brand except monkey doodlez but i havent had any issues with them, poo stays contained lol :)

I think the Splashabouts Swim (got mine from darlingsdownunder) is THE BEST especially for containment. BUT, it doesn't undo, so if there is a poo in there, you have to pull the dirty nappy down bubba's legs. It wasn't an issue for me as DD started going to the pool at 4 months but never pooped while in the water.
For DS I recently bought a motherease swim nappy as it has snaps. Haven't tried it yet, though. I wonder how good any swim nappy would be at containing sloppy breastfed poos?

Sasa