Elevates laptop screen for improved head and shoulder posture Angle adjusts for neutral positioning of hands and wrists Aluminum construction, lightweight (550g, 1.2lbs) and portable Used as a document holder when attached to a standard keyboard Six height adjusts position, range from 13 to 19.3cm (5.1 to 7.5 inches), for customized Ergonomic supports for laptop computers Width adjusts range 18.5 to 27cm (7.2 to 10.6 inches), to fit most of laptop sizes up to 17 inches Hollow out design creates space between desk and laptop for natural air-flow Positions the screen and keyboard for a more comfortable work environment Colors: graphite, light blue, neon green, orange and white Dimensions: 235 x 183 x 10mm