Featuring hydrodynamic design for optimum contact with water, the Tech Paddle helps improve your stroke and create the perfect pull. Hand paddles not only help improve your arm strength by increasing resistance, making it harder to pull your arm through the water, but strengthens the back, chest and shoulder muscles too. Flow holes enhance aquatic sensitivity, and its unique air foil shape improves your hand lift motion. Features & Benefits Hydrodynamic design for optimum contact with water Flow holes enhance aquatic sensitivity, and its unique air foil shape improves your hand lift motion Increases arm strength- Paddles increase resistance, making you work harder to pull your arms through the water,which strengthens your back, chest, shoulder and arm muscles Improve stroke - Tech Paddles help you to create the perfect pull. Paddle: PP Strap: Silicone