Power Systems Versa Loop, Resistance Band Ring, Level: Extra Heavy, Purple, (84823)

Useful for a huge variety of exercises that target the legs, core, arms, and back Cost-effective and space-saving Adaptable, suitable for all levels of exerciser 6 resistance levels (sold separately) Resistance exercise training aid for speed, agility, strength, power, running, football, basketball, baseball, soccer and all other athletic, fitness, weight, or cross training