We weren't on the beach a good hour & my son was soaking wet because the swimmers didn't hold him. Also while we were there another family with a child my son's age was having the same problem with the same brand.
These dont work very well. I have found that any bowel movement that is inside them becomes liquified by the water that leaks inside of them and floats out of the pants. I have been quite embarassed at a few pools when my grandson had an accident and was surrounded by a brown cloud in the pool.