STURDY AND DURABLE: Made of 100% natural latex and 99.9% free of water-soluble proteins, high strength, durable performance.
WIDE APPLICATION: These professional exercise bands have 4 different resistance levels. Yellow (5-15lbs), Red (15-35lbs), Black (25-65lbs), Purple (35-85lbs).
MULTI-FUNCTIONAL GYM EXERCISES: Originally designed to help pull-up progress, now used for band-assisted pull-ups, powerlifting bands, calisthenics bands, CrossFit bands, to stretch bands and speed bands to create progressive resistance that matches the strength curve of the movement.