This firm mini foam roller is perfect for massaging your wrists, palms, forearms, quads & feet! Keep it on your desk, toss it in your bag -- your RistRoller® will be ready when you are! Endorsed by health professionals & adored by desk workers, yogis, climbers, musicians, runners, other fitness pros, and more. Approx 1.4" in diameter, and approx 5.5" tall. NOTE: It's best to clean your RistRoller® regularly, including when it arrives. Use mild soap and water or baby wipes of your choosing.