Lightweight foam rollers for muscles made of EVA Reduces Pain Fatigue and Advances Tissue Recovery For Pilates, Yoga, and the Gym: Portable Foam Roller. With the help of this foam roller for muscle massage, advance your training. Muscles may benefit from being relaxed after exercise or before. The deep tissue stimulation provided by the core balancing foam roller enhances blood flow. This lowers the chance of damage and enables a speedier recovery during therapy. To treat soreness, a back massage roller may be used to the arms, neck, legs, and other muscular areas. The rigid EVA foam used in the Rumble Roller helps to improve flexibility and mobility for better athletic performance. The 45 x 15 cm size of the foam roller makes it portable. Improve your exercise by using the foam roller before or after.