This may be the most portable gym in the World. You can use the Resistance Gym for: Strength Training Pilates and Yoga Rehabilitation The pack contains 3 resistance bands that are different strengths. Blue – Strong Green – Medium Red – Light By multiplying the bands you have 7 different resistance levels. Combine them with the handles provided you can perform almost any exercise you can do at a regular gym. Need inspiration? The Resistance Gym comes with a workout guide. We’ve used this gym in hotel rooms when travelling and for warming up pre exercise.