Lifespan Fitness Resistance Loop Bands are perfect for all types of training, stretching and can be used anywhere, at anytime! Our set includes 5 resistance loop bands varying in difficulty: - Red: Very Easy - 2.5kg - 10kg in Resistance Value - 5mm wide - Blue: Easy - 5kg - 15kg in Resistance Value - 13mm wide - Purple: Medium - 15kg - 30kg in Resistance Value - 21mm wide - Orange: Hard - 25kg - 45kg in Resistance Value - 32mm wide - Green: Very Hard - 35kg - 60kg in Resistance Value - 45mm wide