product Description 1.solid and stable, high flexibility, strong strength. 2.Adjustable nylon strap with secure buckle will tighten the float boards to your body, ensuring more safety while swimming. 3.Easy to use and quick to take off. It can develop your confidence while swimming and gain a sense of accomplishment. 4.Very useful term for swimming beginners, water sport lovers, especially for the children. 5.With it to increase your bodys buoyancy and help to float your body easily, you can master the swimming skills more quickly.