Exercise Bands for Stretching And Fitness - Resistance Loop Band Set of 4 (Light, Medium, Heavy and X-Heavy) These durable Exercise Resistance Bands are great for rehabilitation, fitness, flexibility, and overall muscle tone. They deliver the ultimate length and flexibility for use in all different exercise programs! Set of loop bands with 4 different levels of resistance: Green  Light, Blue  Medium, Red  Heavy, Black  X-Heavy Each of the 10 bands are made from excellent quality elastic and will last you a long time! Use in routines for upper and lower body workouts including your arms, legs, back, shoulders and butt. Lifetime Guarantee