Banda de goma elástica para Fitness, cuerda potente de 1 a 10 metros, 3x9, 3090

3Meters 3*9 Rubber Band Powerful Fitness Elastic Rubber Rope 3090

size 3090 means inter 3mm out diameter 9mm

use Fitness Elastic Rubber Rope

weight 1m weight 58g

3090 high elastic fitness rubber band Yoga tension rope physical fitness training stretcher for physical education students

Model: 3090 (inner diameter mm, outer diameter 9mm)

Material: high quality latex

Tension: a single tension rope is more than 9kg (1kg=2.2 pounds) and about more than 20 pounds

Stretching ratio: About 1:5 (5 times stretching)