Supreme versatility: Highly effective for warmup, exercise, and post-exercise; great for dancers and athletes, as well as for use in physical therapy, Pilates and yoga routines. 
Allows you to perform unassisted stretches with greater control: The top choice of physical therapists and athletic trainers for safe, effective, contract-relax stretches. 
Multitude of benefits for overall health: Greater flexibility, improved range of motion, enhanced muscle recovery, reduced risk of injury.