Reebok adjustable tubes with foam grips and a unique adaptable design allow you to adjust the resistance to your physical exertion and abilities. To maintain activity while traveling, the tubes are designed for both upper and lower body workouts and can be used for a variety of exercises. Three levels of resistance tubes create challenging workouts for individuals of all abilities. Features include adjustable length, three resistance levels, durable latex construction, foam grips, sturdy woven straps, and a versatile design.