1. Meet all your needs-the adjustable belt can be adjusted to 40 inches, suitable for adults and children. The latex elastic rope is 3 meters long, which can provide proper tension for static swimming 2. Enhance strength and endurance-swimming belts are very suitable for on-site training and resistance training, helping to increase strength and endurance. Become a competitive swimmer immediately 3. Easy to use-black straps are used to fix the elastic rope on the shore of the swimming pool. Therefore, swimmers use the elasticity and resistance of the bungee rope to exercise 4. Suitable for all adults and children who need strength training. perfect for people who want to swim without interruption or athletes who want to train The belt is 1.2 meters long and the adjustment range is about 55cm-105cm Weight: about 201g-275g/each set Colour:Black+yellow Material:tpe Size:6mm x 9mm x 3mm Package Contents: 1 * elastic rope 1 * swimming belt strap 1 * mesh bag Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.