?5 different colored stretch resistance bands, each clearly marked with weight indication for different tension ranges: X-LIGHT: 5-10LB, LIGHT: 10-15LB, MEDIUM: 15-20LB, HEAVY: 25-30LB, X-Weight: 30-40 lbs. Use a single band or combine more bands to perform challenging exercise intensities. ? Great for pull-ups, pull-ups, push-ups, promotes muscle training, develops body flexibility and physical mobility, suitable for both men and women. ? Circumference: 600mm, Width: 50mm ? Thickness: 0.35mm 0.5mm 0.7mm 0.9mm 1.1mm ? Resistance Range: X-LIGHT: 5-10LB, LIGHT: 10-15LB, MEDIUM: 15-20LB, Heavy: 25-30LB, X-Heavy: 30-40LB. Package includes: 1 resistance band set notes: Due to manual measurement, please allow 1-3 cm error. Due to differences between different monitors, the pictures may not reflect the actual color of the item. Thanks!?5 different colored stretch resistance bands, each clearly marked with weight indication for different tension ranges: X-LIGHT: 5-10LB, LIGHT: 10-15LB, MEDIUM: 15-20LB, HEAVY: 25-30LB, X-Weight: 30-40 lbs. Use a single band or combine more bands to perform challenging exercise intensities.? Great for pull-ups, pull-ups, push-ups, promotes muscle training, develops bod.