Do they have these for kids? Mine can swim fine but don't like the snorkel type life vests. I probably didn't have them on well and the rode up on them and it was enough to make them not want to snorkel. I thought I might try again if they will allow them to snorkel with regular jacket-style life vests. They don't need to dive down anyway so I think staying on top of the water would be ok. Anyone have any insight? Thanks.