Latex resistance bands are ideal for improving strength, resistance workouts and rehabilitation.. An ideal training aid while travelling.. Length: 1.5m, Width 15cm. Light. Up to 3M. 15 to 35lbs / 6.8 to 15.8kg. Medium. Up to 3M. 15 to 35lbs / 11.3 to 20.4kg. Strong. Up to 3M. 15 to 35lbs / 13.6 to 22.6kg