Vibration is fundamental when working with sensory integration. Vibrating products are beneficial to our well being and can be used either to relax, or to stimulate. This flexible, neoprene tube is comfortable to touch and hold and vibrates at 2 gentle speeds. Wrap it around the arm or leg, or hold it against the back, shoulders, or back of the neck for a relaxing, gentle massage. Requires 2 'C' batteries (not included). 28"Long.