Increase muscular strength and joint stability in your upper and lower body with PTP Microband X+ pack. Including PTP most popular body resistance levels - light, medium and heavy, this pack is designed to let you progress at your own pace. The Microband X can even be combined to satisfy the strongest individuals. This special combo pack contains 3 resistance levels - Light, Medium and Heavy, designed for all fitness levels and goals. The Microbands are designed to deliver progressive resistance training by effectively strengthening muscles to improve functional and sports specific movements. The Microband X Light is perfect for strength and endurance training. It can be used as part of a rehab program and to tone up buttocks, condition shoulders and improve hip mobility. The Microband X Medium is ideal for strength and endurance training as well as promoting muscle growth. The Microband X Heavy is ideal for increased strength and endurance training as well as promoting muscle growth.