These types of bands do not loop, although you can tie a knot in them to create a loop. Stretch resistance bands are used by physiotherapists to help in rehabilitation, improve range of movement and improve co-ordination, these exercise bands are excellent for PILATES, YOGA and FITNESS resistance training. Fitness mobility resistance bands are universal and can be used in all types of home workouts, stretching, flexibility, glutes booty exercises, rehabilitation, and mobility sessions. Suitable for Everyone Light resistance bands are suitable for women and men of all fitness levels and can be used indoor and outdoor. Pack Contains 3 Stretch Bands Each band has a different thickness which will provide different levels of resistance. Green - Light (0.35mm 6.8kg 15lbs) Blue - Medium (0.45mm 9kg .