Review on IDRYBAG Safety Swim Buoy Adult Tow Float 15L: The Ultimate Open Water Training Tool for Triathletes, Kayakers, and Swimmers by Pete Juarez

Holy smokes! That's cool! If that caught the eye of a few sailors. They said they can't see me in the water but they can see the buoy! I attached it to the BC belt and made it as long as possible. I didn't notice any added resistance or annoying straps getting in the way of my legs. I use in the lake. If you swim in the lake I'd say it's worth it for the added safety. The air reservoir is memory independent, so you only need "enough air" instead of full inflation.