I use the Huggies swim pants and then one of these over the top: https://amzn.eu/d/7UbT4jR
You put the Little Swimmer nappy on followed by a red usable swim nappy, like a Happy Nappy to prevent leaks. Most pools require this as swim nappies alone don’t contain wee, only poo!
My pool don’t require a happy nappy just a disposable is fine. Don’t put a normal nappy on, it will just soak up all the water 😂
This swimming nappy just holds in solid poo only. It doesn't have any absorbency (otherwise it would soak up pool water!) so lots of pools have a double nappy rule, where you are to use one of these and then a "happy nappy" or equivalent over the top. A happy nappy is a tight layer that holds in poo, to make sure it doesn't leak into the pool.
No just a swim nappy
Travel to the pool in a normal nappy, then swap to your swim nappy.
No just use them on their own.