Release tension, relax muscles and stimulate nerves with these lightweight and sturdy pair of Massage Balls. Portable and easy-to-use, these 2.7” Massage Balls with spiky sensory points help relieve stress, pain and tension and increase well-being by improving blood flow and promoting healing. Perfect for all-over sensory stimulation, the mildly pliable Massage Balls can be used to loosen problem areas in the feet, shoulders and back, enhancing muscle performance and reducing risk of injury.