Good Material: Made of EVA to provide flotation and low water absorption. With its sturdy, it ensures you continuous use. It is environmentally friendly. Multifunction: The perfect swimming float for swimming, training any swimmer, both adults and teens, you can do great water sports. Easy to Use: Correct Your Swimming Posture: The pull buoy helps to exercise upper body strength by floating your legs; you just need to keep the EVA pull buoy on your thigh, and the swimming pull buoy can provide foot buoyancy without kicking. Widely Used: You can focus on strengthening your back, shoulders, and arms. Then you can possess your breath control and swim effectively. Size:30cmx13.5cmx6cm/11.81inchx5.31inchx2.36inch Size Chart: 30cmx13.5cmx6cm/11.81inchx5.31inchx2.36inch Package Includes: 1 Pull the buoy Note: Please allow slightly errors due to manual measurement and different monitors.