Veridian Healthcare 40-L Flex Grip Hand Exerciser Light Color: Yellow Features: Veridian Healthcare Flex-Grip Hand Exerciser - Light Resistance (Yellow). Strengthens hand, fingers and forearm. Perfect for rehab, sports training and everyday stress relief. Work muscles separately or in tandem with two different workable sides. Works dexterity, extension, gripping and strengthening of the hands and fingers. Can be heated or cooled for hot/cold therapy applications. Stays flexible. Washable and disinfectable. Latex-Free.