"Strength" "Stamina" "Coordination" These Pilates Exercise Bands can be used for post surgical therapy, to build muscles and to increase your flexibility. The 25m roll is great for teaching classes. Pilates Exercise Band 25m, X-light, Yellow FB-1100-40$19.99 Pilates Exercise Band 25m, Light, Green FB-1200-40$34.99 Pilates Exercise Band 25m, Medium, Pink FB-1300-40$39.99 Pilates Exercise Band 25m, Strong, Violet FB-1400-40$44.99 Pilates Exercise Band 25m, X-strong, Red FB-1500-40$49.99 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