Premium MaterialThe swimming kickboard is made of EVA material, which is lightweight, floatable, and reliable for long time using. Size: 51cmx30cmx3.5cm/20.08inchx11.81inchx1.38inch. Training AidThe swimming floating board is a great prop for swimming exercise, it can train your upper body in the water. It keeps the legs afloat and allows you to focus your arms. Easy to UseSwim training aid helps you master swimming skills; and a variety of swim training exercises. Wide ApplicationThe float back board has a wide range of uses, and it can be used by children, teenagers and adults. Suitable for swimming pool training and seaside playing, etc. Ideal GiftThe swimming kickboard is a great gift for swimming beginners, pool exercise, swimming enthusiasts, and playing outdoors in summer. Specification: Material:EVA Size Chart: 51cmx30cmx3.5cm/20.08inchx11.81inchx1.38inch Package Includes: 1Swimming Kickboard Note: Please allow slightly errors 1-2cm differences due to manual measurement.