Mini-Band lateral resistance tubing has a durable designthe bands will stretch up to 3 times their length. Effective for both upper and lower body training. By using resistance bands for dynamic warmup, you can target the hip and shoulder complexes. When used in conjunction with other exercises, these band sequences can help activate the core, as well as prime movers, synergists, and stabilizers in the hip and shoulder area. Mini Bands are 9"L x 2"W. Use them for lateral steps, leg extensions, and shoulder stabilization exercises. Monster Band is 20"L x 2"W. Use it for monster walks or for people over 6'2".