Item Type: Swimming Training Belt SuitProduct Material: TPE, NylonProduct Color: BlueWeight: Approx. 202g / 7.1ozElastic Rope Size: Inner Diameter: Approx. 6mm / 0.2inOuter Diameter: Approx. 9mm / 0.4inLength: Approx. 4m / 13.1ft .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; } 1TPE and Nylony Materials: This swimming training equipment is made of TPE and nylony materials, which can provide you with safe and effective training effects. 2Applicable Peopel: The strength training belt is designed for professional swimmers. It is suitable for all adults and children who want to carry out strength training. 3Adjustable and Elastic Belt: Adjustable nylon belt is used for fixing elastic belt. You can tie the elastic belt to the stairs or other fixed points in the swimming pool. 4Help Improve Swim Stroke: The swim resistance belt is is easy to use, will help improve any swim stroke and will tone your whole body quickly! 5Suitable for All Swimming Pools: Swimming training belt is suitable for all swimming pools.