Using a pull buoy neutralizes the kicking motion when you are holding it between your legs. This will help you develop your stroke, build upper body strength, helps you to work out longer to build up your endurance. The EVA foam is soft and designed for extended use.
Pull Buoy Features:
Helps to develop upper body strength and build endurance
Helps you improve the "pull" phase of the stroke
Neutralizes the kicking motion to allow you to focus on your arms only
Made of EVA foam that is soft and durable