Function The swim belt is a kind of swimming when the float stays practically in the same place due to a smooth restraint unit that looks like a lead. Help with freestyle, backstork, butterfly strike and kick training.High Quality 4m floating leash, black belt length approx. 1.2 m, adjustable range approx. 5.5m - 10.5m Super Latex Resistance Belt and Velcro Strap Adjustable SizeBetter for training With this swim resistance belt, the swimmer can swim in any kind of swimming, even when sprinting, the speed is varied as needed. Effective training with low impact for swimmers of all ages and performance levels.Easy to use: The holding cord is hung on a belt around the waist of the swimmer, and connected to any part of a pool from another side, e.g. Such as a ladder, a jumpboard, a skimmer etc. Quick-drying design, easy to clean after use.Package includes: 1 x elastic rope, 1 x swimming belt, 1 x watch strap, our swimming lead can also be used as a gift for your families or friends at a party or in the club. Specification: - Material: Latex - Size: 6mm x 9mm x 4m Package includes: 1 x swimming resistance belt. 1 x waist strap. 1 x Bow 1 x mesh bag.