Progressive Resistance Band Set - Strengthens strength, builds weak muscles, smooths arms, legs and buttocks with a set of 5 pieces that includes five different levels:
- Yellow is very light, for easy endurance training.
- Blue is designed for beginners and advanced students who want to work out for endurance and light strength training
- Green is recommended for experienced advanced athletes
- Black is the strongest traction force and is suitable for professionals and athletes who want to mainly perform strength training.
It includes 5 resistance belts that have been color-coded to distinguish the severity of their weight:
- Yellow (lbs) - green (lbs) - red (20 lbs) - blue (25 lbs) - black (30 lbs).
- These strong workout bands may reach 100 lbs.