Designed for physical therapy, it breaks down muscles for myofascial release and trigger point therapy, increases blood flow, aids recovery and reduces soreness, stiffness and soreness. Ideal for neck, shoulders, arms, legs, upper back, lower back, glutes, thighs, hamstrings, quads, calves, feet, shins, cellulite and more. A wide range of tools self-massage highly recommended by athletes, personal trainers, physiotherapists and masseuses, dancers, runners and their patients. Made with high-resistance industrial materials, polypropylene and thermoplastic rubber handles with ergonomic grip, 9 independent ABS rollers About steel rod core, environmentally friendly and durable. Ultra-portable and lightweight, only 45*4.2cm, very convenient for storage and travel. Great to add to your gym bag for a complete body build.