High-quality material: made of lightweight polycarbonate materials. They're lightweight and easy to use, and they can help you learn to swim faster and more efficiently. Ergonomic design: the middle part of the paddle is slightly raised, which can better fit the palm of your hand. Non-slip design, some pieces are frosted to increase grip. They're easy to take apart and don't fall off easily, so you can focus on your swim without having to worry about your paddles Adjustable Straps: Our swim paddles are specifically designed to improve your swimming technique. They have adjustable straps to ensure a comfortable fit, and are suitable for different hand sizes. Improves physical fitness: Swimming is one of the sports that is beneficial to human health. It improves the coordination capacity of the human body, corrects the figure. Ideal gift: perfect gift for your family and friends, swimming enthusiasts, beginners and expert swimmers. Size: 17 x 25 x 6 cm, suitable for indoor and outdoor pools in different swimming styles.