 It's not a jacket for use of a PWC. So if you're on a personal watercraft, you know, you need to look and make sure what left life jacket is suitable for what you're doing. Cause they are all different. So that's the biggest thing is to make sure that when you're wearing a life jacket and you're going to purchase a life jacket using it is to look at one is, is this rated for my size for weight buoyancy, but also what activity am I doing? And is the correct life jacket for the activity?