Life Jacket / Buoyancy Aid for 9wk old

[shipsladyg]

We're going sailing in a few weeks when DD will be 9wks old. Obviously we don't intend for her to have an impromptu swimming lesson especially as that would mean something had gone very, very wrong for all of us, but as responsible types, we're looking to get her a life jacket / buoyancy aid. Based on current weight gain, she'll be 5kg. Can anyone recommend a good life jacket or life cot?

Our friens have got this one for their ds. He didn't wear it until he was about 4 months old (and he's 75th percentile for weight). It is pretty bulky but there's no way he'd sink!

we were only on canals so didn;t put dd in on at all till she was a year so went straight into to 9kg+ ones

the only (non-airline) life cot I've ever seen is this one, which looks somewhat comfier than a lifejacket tbh

I saw this one in a catalogue recently - not sure if it's what you're looking for, but it says suitable from newborn.