Iron Core Athletics Loop Exercise Bands : Set of Four 10&rdquo; Resistance Loop Bands and One 5ft Flat Stretch Band, Perfect for Yoga / Pilates / Physical Therapy Professional Grade Exercise Bands - This is a complete set including four 10" Loop Bands and One 5ft Resistance Strip. Ranging from Light to XX-Heavy resistance levels, this set will satisfy the workout requirements for most beginners to advanced users Highest Quality Guaranteed -Suitable for all fitness and strength training levels. Great for Pilates P90X and other exercise programs - these elastic bands can be used together to create even more levels of resistance. Four 10" Loop Exercise Bands - The four levels of resistance in the loop bands consist of : Light-Yellow, Medium-Red, Heavy-Green, and X-Heavy-Blue. Bands will not break and are designed to last a lifetime, we even guarantee it!. One 5ft Flat Stretch Bands  This band is 4 wide and Medium Resistance level - Red Flat Band is Medium Resistance and Blue Band is Heavy Resistance and is great for Pilates, Yoga, Strength and Flexibility Workouts, Rehabilitation, or Physical Therapy All Iron Core Athletics 10" Loop Bands and 5ft Flat Stretch Bands are backed with our 30 day no questions asked return policy and are backed by our lifetime replacement policy. Yellow 10 Loop Band  Light Resistance Red 10 Loop Band  Medium Resistance Green 10 Loop Band  Heavy Resistance Blue 10 Loop Band  X-Heavy Resistance Red 5ft long Flat Band  MediumResistance Lightweight and easy to transport, these are great for home use or on the road Ideal for stretching and toning Tone and sculpt at your own pace in just minutes a day This set of stretch bands can satisfy a wide variety of workout routines Light stretching and toning can be done with the Light Yellow band Lower body work and strength training can be achieved with the Medium Red Band Muscle building and and intense resistance training lineup well with the Heavy Blue Band