Perfect for addressing hard-to-reach areas like hips and shoulders, this Grid MB1 Massage Ball features a unique layered construction for varying pressure levels.Key FeaturesIdeal for relieving tightness and restoring movement and mobility throughout the entire bodyEncourages blood and oxygen flow to enhance overall movement, range of motion and performanceFoam surface is easier to clean and more hygienic than clothSlip resistant foam materialMore DetailsRemovable weight bags can be used as soft weightsDiameter: 5 inchesWeight: 164g