The TriggerPoint MB5 5'' diam. massage ball replicates the pressure of a massage therapist's hands to help relieve muscle tightness. Its 5-inch diameter allows for use on larger hard-to-reach muscle groups like hips and shoulders. Ideal for relieving tightness and restoring movement and mobility throughout the entire body. Encourages blood and oxygen flow to enhance overall movement, range of motion and performance. Features an easy to clean foam surface. The MB5 weighs 5.8 oz. and is backed by a 1-year manufacturer's warranty.