Milliard Hand Arm Strength Training Exerciser/Pull Resistance Band for Physical Therapy and Muscle Building Exercises - Light (Pink) Three sets of finger grips allow for multiple difficulty in one expander Simple to use and integrate into almost any training regimen Stretch it, pull it, extend it  make it a part of your day any way you can! Available in light, medium, or heavy resistance Measures 14" x 5". Difficulty level indicated by color.