Venum Challenger resistance bands are available in 5 colors, each corresponding to a different resistance. These multi-purpose resistance bands are light and very easily transportable. These are muscle building accessories that, depending on the use and the resistance chosen, will help develop your strength, flexibility or mobility. TECHNICAL FEATURES Blue: 55-80Kg resistance / 120-175lbs 208 x 6.4 x 0.45cm / 82 "x 2.4" x 0.18 "