Body Sport Resistance Bands in 50 yd. Rolls Resistance bands in 50 yd. rolls store well, dispense easily and provide great value. Build strength, stretch, increase flexibility, and improve range of motion in a home gym or commercial facility with these workout bands from Body Sport. Available in five color-coded levels of resistance, these exercise bands can be used for any fitness routine or rehab program. These durable fitness bands are 4 in. wide. Body Sport exercise bands are inexpensive exercise tools that can be taken anywhere for a full body workout.