High Quality Material:Including one waist belt, one stretch cord, one nylon loop.The Swim Belt is made of high grade natural latex and neoprene material, firm, durable and long service life. Waist Belt Design: Smooth and Sturdy.When you touch it, it won't prick your hands.Improving comfort of wearing. Available Colors:black and red,you can choose your favorite color. Details of Dimensions:One bungee cord is 3meterslong,One Loop is 1 meters(3.2 FEET) long.The Waist band can go from approx 55cm on the smallest setting up to 110cm on the largest setting. Wide Application:No tools are required and no changes to your home pool or yard. Designed to adapt to in-ground and above-ground pools, outdoor and indoor pools, Effective low-impact workout for swimmers of all ages and proficiency levels.The Swim Resistance Belt is is easy to use, will help improve any swim stroke and will tone your whole body quickly