Whoo Hoo I'd been sitting by the letterbox waiting for these - and now they're tried and tested.
Wombots/CCA RetroBots PUL nappy
DS very promptly tested the naps with the MOAP (Mother of all poos) (Nastily Explosive Breastfed poo) Yuck.
Result - it held
(this was the rest of the post that came) LOL don't tell DH!