✦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!