Description: High Quality Materials: Made of nylon, with delicate touch, softness, and strong cushioning performance, which brings you comfort. Protective Effect: The waist belt has a certain protective effect for people who want to maintain and want to swimming without interruption, as well as athletes who train and exercise. Great for Swim Training & Exercises. Fit For Anyone: Swimming resistance belt is designed for someone who wants nonstop swim, to athletes who want a training workout. Suitable for all adults and children who want strength training. Adjustable: Adjustable waist belt, suitable for different people, great way to improve all swimming strokes and general fitness. Easy to Use: The swim trainer is easy to use, will help improve any swim stroke and will tone your whole body quickly. Specification: Material: Nylon Size Chart: 15cmx12cmx8cm/5.91inchx4.72inchx3.15inch Package Includes: 1 Swim Training Parachute Note: Please allow slightly errors due to manual measurement and different monitors.