Features: Occasion:Transportable for travel and you can use in Hotel and Cruise Ship pools to enjoy swimming. Safe Leash Exerciser.For anyone who wants to stay fit and wanna a nonstop swim, to athletes who want a training work out. Training Belt.The innovative design supplies buoyancy to the lower body and it is an excellent option for busy people because it allows you to exercise at home, at your own convenience Easy to Use.A ring is used for installation. Therefore, you can hang the belt on any pole around the pool. Made of durable material,safe and wear resistance. Notice: Actual color may be slightly different from the image due to different monitor and light effect Please allow 1-3cm deviation due to manual measurement Specification: Material: Size:6mmx10mmx4m(Inner diameterx Outer diameterx Length) Belt length: 1.2 meters, the adjustment range is about 55cm-105cm.