This is a swim resistance belt, which is made of good materials for durable use. Swim band is manufactured with good workmanship, which is durable and brings you comfort. The swim training belt can extend to longer. The cord is strong, suitable for both adults and children. Features - Color: As Shown -Material:TPR,Polyester,aluminium alloy - Size: 185.00X6.00X0.30cm/72.70X2.36X0.12in -Pounds:40 - Swimming tool for training, strong pull rope, neoprene belt for comfort In addition, the swimming resistance band is used for easy installation. - Swimming Belt brings you endless pool thrills in space for endless pool swimming. - Available as static swimming belt, swim trainer, which is multi-function and practical. - The adjustable swim training belt is for attached to an elastic tether, which you can fasten on the pool ladder or any other fixed place. - With this swim tether, you can swim and swim in place without having to turn, and can also do breaststroke, freestyle, backstroke, whatever you like. Package list: 1 x Swim Trainer