The thinner bands are typically to be worn around the ankles for longer stride movements but can also be placed around the wrists for shoulder activation. Designed to be a versatile training tool for a variety of movements, the bands will create the ideal amount of difficulty for effective training. •Durable, anti-slip bands for upper and lower body resistance training to increase difficulty •Comfortable fabric that stays in place during training and wont pinch or pull skin •Can be used to add resistance during warmup and stretching •Strong, durable fabric available in light medium and heavy resistances •Machine washable and easy to clean •Bands measure 2.5" x 13"(6.3cm x 33cm)