1、A wide range of applications, no tools, no need to change the family pool or yard. 2、Designed for underground and ground swimming pools, outdoor and indoor swimming pools, it is effective low‑impact exercise for swimmers of all ages and proficiency levels. 3、The swimming resistance belt is easy to use, will help to improve any swimming posture, and will quickly regulate your whole body. 4、If the user matches it, resistance training can also be achieved. 5、A set of products are used together, flexible and easy to carry. 6、Can be freely matched and replaced, flexible and convenient. 7、All made of high‑strength plastic (no rusty iron under water) and natural latex tube can be used on land and underwater 8、2 different colors for you to choose, meet your different needs. 1 x Swimming belt1 x Elastic rope1 x Extension webbing rope1 x Mesh bag storage bag Condition: 100% brand newItem type: Swimming Training DeviceMaterial: Latex tube + webbingOptional Color: yellow, blueSize: Approx. 6x10mm/ 0.2x 0.4inElastic rope length: Approx. 4m/ 13.1ftSingle tension value: 20-25lbThe details of each part are as follows:(1) One swimming belt: adjustment range: 55cm- 1.05m.Full SBR diving cotton padding on the inside, comfortable and durable, does not hurt the skin(2) 1 elastic ropeIt is connected with high-strength ABS buckle, which can be flexibly matched with waist belts, resistance ropes, straps, and extended webbing.The elastic rope is a two-color natural latex tube, which is durable and anti-aging.(3) 1 middle extension webbing ropeThe spot is about 2 meters in length, other lengths can be specified.The two ends are high-strength buttons, which can be rotated 360 degrees, and can be flexibly matched with plastic buttons.(4) One small strap at the fixed endIt is used to fix the pillar on the shore, and the other end is used for connecting a bungee cord or extension strap.