Our high quality Snap-Stop MSD Band is available in an attractive polybag with header easy for dispensing. The 2.5m length is easy to use and no cutting is required. Blue = Extra Heavy Resistance Total KG / Elongation % 50% - 2.2KG 100% - 3.0KG 150% - 3.6KG 200% - 4.4KG 250% - 5.2KG