"Strength" "Stamina" "Coordination" These Pilates exercise Bands can be used for post surgical therapy, to build muscles and to increase your flexibility. Pilates Exercise Band 1.2m, X-light, Yellow FB-101-40$1.39 Pilates Exercise Band 1.2m, Light Green FB-200-40$1.99 Pilates Exercise Band 1.2m, Medium Pink FB-300-40$2.59 Pilates Exercise Band 1.2m, Strong Violet FB-400-40$2.99 Pilates Exercise Band 1.2m, X-strong, Red FB-500-40$3.49 Which resistance level should I use?  Exercise Band  Resistance Level Recommended for Yellow X-tra Light post-operative rehabilitation Green Light Rehab, Seniors and Children Pink Medium Average Women Violet Strong Average Men and Active Women Red X-tra Strong Advanced Men and Women