Spokey exercise band set 5 pcs 928944 Spokey bands will allow you to perform a comprehensive workout. The package contains five mini bands that differ in color and resistance range. You can pack everything into a practical drawstring bag. Technical data: x-light: 600 x 50 x 0.35 mm; resistance: 10 LBS (approx. 4.5 kg) light: 600 x 50 x 0.5 mm; resistance: 15 LBS (approx. 6.8 kg) medium: 600 x 50 x 0.7 mm; resistance: 20 LBS (approx. 9 kg) heavy: 600x50x0.9 mm; resistance: 30 LBS (approx. 13.5 kg) x-heavy: 600 x 50 x 11 mm; resistance: 40 LBS (approx. 18 kg)