* Made of soft durable waterproof EVA foam, will not absorb water.. * Designed to help children learn to swim and provide confidence in water.. * Streamline design base on human body features to decrease the pressure between body and kickboard when swimming.. * Ideal for beginners to learn and trainning swim. * Streamline design base on human body features to decrease the pressure between body and kickboard when swimming. * Ideal for beginners learning swim.